Home / 1,762.50-2,432.44-1,124.90

Finding the Fourth Proportional to 1,762.50, 2,432.44 and 1,124.90

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Solution

The fourth proportional to 1,762.50, 2,432.44 and 1,124.90 is: 1,552.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762.50 : 2,432.44 = 1,124.90 : x
  2. Step 2: Convert to fraction form
    1,762.50/2,432.44 = 1,124.90/x
  3. Step 3: Cross multiply
    1,762.50x = 2,432.44 × 1,124.90
  4. Step 4: Simplify right side
    1,762.50x = 2,736,251.76
  5. Step 5: Solve for x
    x = 2,736,251.76/1,762.50
  6. Step 6: Final answer
    x = 1,552.48

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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.