Home / 1,531.80-2,295.96-607.08

Finding the Fourth Proportional to 1,531.80, 2,295.96 and 607.08

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Solution

The fourth proportional to 1,531.80, 2,295.96 and 607.08 is: 909.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.80 : 2,295.96 = 607.08 : x
  2. Step 2: Convert to fraction form
    1,531.80/2,295.96 = 607.08/x
  3. Step 3: Cross multiply
    1,531.80x = 2,295.96 × 607.08
  4. Step 4: Simplify right side
    1,531.80x = 1,393,831.40
  5. Step 5: Solve for x
    x = 1,393,831.40/1,531.80
  6. Step 6: Final answer
    x = 909.93

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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.