Home / 1,037.03-1,555.09-306.65

Finding the Fourth Proportional to 1,037.03, 1,555.09 and 306.65

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Solution

The fourth proportional to 1,037.03, 1,555.09 and 306.65 is: 459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.03 : 1,555.09 = 306.65 : x
  2. Step 2: Convert to fraction form
    1,037.03/1,555.09 = 306.65/x
  3. Step 3: Cross multiply
    1,037.03x = 1,555.09 × 306.65
  4. Step 4: Simplify right side
    1,037.03x = 476,871.47
  5. Step 5: Solve for x
    x = 476,871.47/1,037.03
  6. Step 6: Final answer
    x = 459.85

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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.