Home / 1,505.19-2,257.86-683.52

Finding the Fourth Proportional to 1,505.19, 2,257.86 and 683.52

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Solution

The fourth proportional to 1,505.19, 2,257.86 and 683.52 is: 1,025.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505.19 : 2,257.86 = 683.52 : x
  2. Step 2: Convert to fraction form
    1,505.19/2,257.86 = 683.52/x
  3. Step 3: Cross multiply
    1,505.19x = 2,257.86 × 683.52
  4. Step 4: Simplify right side
    1,505.19x = 1,543,292.47
  5. Step 5: Solve for x
    x = 1,543,292.47/1,505.19
  6. Step 6: Final answer
    x = 1,025.32

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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.