Home / 3,457.51-4,771.35-1,885.61

Finding the Fourth Proportional to 3,457.51, 4,771.35 and 1,885.61

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Solution

The fourth proportional to 3,457.51, 4,771.35 and 1,885.61 is: 2,602.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.51 : 4,771.35 = 1,885.61 : x
  2. Step 2: Convert to fraction form
    3,457.51/4,771.35 = 1,885.61/x
  3. Step 3: Cross multiply
    3,457.51x = 4,771.35 × 1,885.61
  4. Step 4: Simplify right side
    3,457.51x = 8,996,905.27
  5. Step 5: Solve for x
    x = 8,996,905.27/3,457.51
  6. Step 6: Final answer
    x = 2,602.14

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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.