Home / 2,424.16-3,632.56-1,125.28

Finding the Fourth Proportional to 2,424.16, 3,632.56 and 1,125.28

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Solution

The fourth proportional to 2,424.16, 3,632.56 and 1,125.28 is: 1,686.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.16 : 3,632.56 = 1,125.28 : x
  2. Step 2: Convert to fraction form
    2,424.16/3,632.56 = 1,125.28/x
  3. Step 3: Cross multiply
    2,424.16x = 3,632.56 × 1,125.28
  4. Step 4: Simplify right side
    2,424.16x = 4,087,647.12
  5. Step 5: Solve for x
    x = 4,087,647.12/2,424.16
  6. Step 6: Final answer
    x = 1,686.21

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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.