Home / 1,535.28-2,304.06-1,125.48

Finding the Fourth Proportional to 1,535.28, 2,304.06 and 1,125.48

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Solution

The fourth proportional to 1,535.28, 2,304.06 and 1,125.48 is: 1,689.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.28 : 2,304.06 = 1,125.48 : x
  2. Step 2: Convert to fraction form
    1,535.28/2,304.06 = 1,125.48/x
  3. Step 3: Cross multiply
    1,535.28x = 2,304.06 × 1,125.48
  4. Step 4: Simplify right side
    1,535.28x = 2,593,173.45
  5. Step 5: Solve for x
    x = 2,593,173.45/1,535.28
  6. Step 6: Final answer
    x = 1,689.06

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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.