Home / 1,529.15-2,293.71-707.42

Finding the Fourth Proportional to 1,529.15, 2,293.71 and 707.42

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Solution

The fourth proportional to 1,529.15, 2,293.71 and 707.42 is: 1,061.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.15 : 2,293.71 = 707.42 : x
  2. Step 2: Convert to fraction form
    1,529.15/2,293.71 = 707.42/x
  3. Step 3: Cross multiply
    1,529.15x = 2,293.71 × 707.42
  4. Step 4: Simplify right side
    1,529.15x = 1,622,619.41
  5. Step 5: Solve for x
    x = 1,622,619.41/1,529.15
  6. Step 6: Final answer
    x = 1,061.13

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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.