Home / 1,502.43-2,074.86-1,317.75

Finding the Fourth Proportional to 1,502.43, 2,074.86 and 1,317.75

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Solution

The fourth proportional to 1,502.43, 2,074.86 and 1,317.75 is: 1,819.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.43 : 2,074.86 = 1,317.75 : x
  2. Step 2: Convert to fraction form
    1,502.43/2,074.86 = 1,317.75/x
  3. Step 3: Cross multiply
    1,502.43x = 2,074.86 × 1,317.75
  4. Step 4: Simplify right side
    1,502.43x = 2,734,146.77
  5. Step 5: Solve for x
    x = 2,734,146.77/1,502.43
  6. Step 6: Final answer
    x = 1,819.82

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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.