Home / 2,451.76-3,382.90-1,457.39

Finding the Fourth Proportional to 2,451.76, 3,382.90 and 1,457.39

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Solution

The fourth proportional to 2,451.76, 3,382.90 and 1,457.39 is: 2,010.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.76 : 3,382.90 = 1,457.39 : x
  2. Step 2: Convert to fraction form
    2,451.76/3,382.90 = 1,457.39/x
  3. Step 3: Cross multiply
    2,451.76x = 3,382.90 × 1,457.39
  4. Step 4: Simplify right side
    2,451.76x = 4,930,209.44
  5. Step 5: Solve for x
    x = 4,930,209.44/2,451.76
  6. Step 6: Final answer
    x = 2,010.89

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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.