Home / 2,552.80-3,523-1,433.68

Finding the Fourth Proportional to 2,552.80, 3,523 and 1,433.68

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Solution

The fourth proportional to 2,552.80, 3,523 and 1,433.68 is: 1,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,552.80 : 3,523 = 1,433.68 : x
  2. Step 2: Convert to fraction form
    2,552.80/3,523 = 1,433.68/x
  3. Step 3: Cross multiply
    2,552.80x = 3,523 × 1,433.68
  4. Step 4: Simplify right side
    2,552.80x = 5,050,854.64
  5. Step 5: Solve for x
    x = 5,050,854.64/2,552.80
  6. Step 6: Final answer
    x = 1,978.55

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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.