Home / 3,457.05-4,770.70-1,885.15

Finding the Fourth Proportional to 3,457.05, 4,770.70 and 1,885.15

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Solution

The fourth proportional to 3,457.05, 4,770.70 and 1,885.15 is: 2,601.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.05 : 4,770.70 = 1,885.15 : x
  2. Step 2: Convert to fraction form
    3,457.05/4,770.70 = 1,885.15/x
  3. Step 3: Cross multiply
    3,457.05x = 4,770.70 × 1,885.15
  4. Step 4: Simplify right side
    3,457.05x = 8,993,485.11
  5. Step 5: Solve for x
    x = 8,993,485.11/3,457.05
  6. Step 6: Final answer
    x = 2,601.49

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,458.05, 4,772.08 and 1,886.15
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.