Home / 1,351.92-1,862.87-1,037.19

Finding the Fourth Proportional to 1,351.92, 1,862.87 and 1,037.19

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Solution

The fourth proportional to 1,351.92, 1,862.87 and 1,037.19 is: 1,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.92 : 1,862.87 = 1,037.19 : x
  2. Step 2: Convert to fraction form
    1,351.92/1,862.87 = 1,037.19/x
  3. Step 3: Cross multiply
    1,351.92x = 1,862.87 × 1,037.19
  4. Step 4: Simplify right side
    1,351.92x = 1,932,144.95
  5. Step 5: Solve for x
    x = 1,932,144.95/1,351.92
  6. Step 6: Final answer
    x = 1,429.19

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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.