Home / 3,457.57-4,771.45-1,885.67

Finding the Fourth Proportional to 3,457.57, 4,771.45 and 1,885.67

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Solution

The fourth proportional to 3,457.57, 4,771.45 and 1,885.67 is: 2,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.57 : 4,771.45 = 1,885.67 : x
  2. Step 2: Convert to fraction form
    3,457.57/4,771.45 = 1,885.67/x
  3. Step 3: Cross multiply
    3,457.57x = 4,771.45 × 1,885.67
  4. Step 4: Simplify right side
    3,457.57x = 8,997,380.12
  5. Step 5: Solve for x
    x = 8,997,380.12/3,457.57
  6. Step 6: Final answer
    x = 2,602.23

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Half scale
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Double scale
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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.