Home / 1,037.08-1,557.15-1,018.62

Finding the Fourth Proportional to 1,037.08, 1,557.15 and 1,018.62

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Solution

The fourth proportional to 1,037.08, 1,557.15 and 1,018.62 is: 1,529.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.08 : 1,557.15 = 1,018.62 : x
  2. Step 2: Convert to fraction form
    1,037.08/1,557.15 = 1,018.62/x
  3. Step 3: Cross multiply
    1,037.08x = 1,557.15 × 1,018.62
  4. Step 4: Simplify right side
    1,037.08x = 1,586,131.25
  5. Step 5: Solve for x
    x = 1,586,131.25/1,037.08
  6. Step 6: Final answer
    x = 1,529.43

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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.