Home / 1,292.46-1,939.77-1,037.58

Finding the Fourth Proportional to 1,292.46, 1,939.77 and 1,037.58

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Solution

The fourth proportional to 1,292.46, 1,939.77 and 1,037.58 is: 1,557.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292.46 : 1,939.77 = 1,037.58 : x
  2. Step 2: Convert to fraction form
    1,292.46/1,939.77 = 1,037.58/x
  3. Step 3: Cross multiply
    1,292.46x = 1,939.77 × 1,037.58
  4. Step 4: Simplify right side
    1,292.46x = 2,012,666.56
  5. Step 5: Solve for x
    x = 2,012,666.56/1,292.46
  6. Step 6: Final answer
    x = 1,557.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.