Home / 2,451.87-3,383.87-1,457.15

Finding the Fourth Proportional to 2,451.87, 3,383.87 and 1,457.15

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Solution

The fourth proportional to 2,451.87, 3,383.87 and 1,457.15 is: 2,011.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.87 : 3,383.87 = 1,457.15 : x
  2. Step 2: Convert to fraction form
    2,451.87/3,383.87 = 1,457.15/x
  3. Step 3: Cross multiply
    2,451.87x = 3,383.87 × 1,457.15
  4. Step 4: Simplify right side
    2,451.87x = 4,930,809.20
  5. Step 5: Solve for x
    x = 4,930,809.20/2,451.87
  6. Step 6: Final answer
    x = 2,011.04

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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.