Home / 1,762.18-2,432.59-1,124.39

Finding the Fourth Proportional to 1,762.18, 2,432.59 and 1,124.39

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Solution

The fourth proportional to 1,762.18, 2,432.59 and 1,124.39 is: 1,552.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762.18 : 2,432.59 = 1,124.39 : x
  2. Step 2: Convert to fraction form
    1,762.18/2,432.59 = 1,124.39/x
  3. Step 3: Cross multiply
    1,762.18x = 2,432.59 × 1,124.39
  4. Step 4: Simplify right side
    1,762.18x = 2,735,179.87
  5. Step 5: Solve for x
    x = 2,735,179.87/1,762.18
  6. Step 6: Final answer
    x = 1,552.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.