Home / 3,521.28-5,277.60-1,572.48

Finding the Fourth Proportional to 3,521.28, 5,277.60 and 1,572.48

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Solution

The fourth proportional to 3,521.28, 5,277.60 and 1,572.48 is: 2,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.28 : 5,277.60 = 1,572.48 : x
  2. Step 2: Convert to fraction form
    3,521.28/5,277.60 = 1,572.48/x
  3. Step 3: Cross multiply
    3,521.28x = 5,277.60 × 1,572.48
  4. Step 4: Simplify right side
    3,521.28x = 8,298,920.45
  5. Step 5: Solve for x
    x = 8,298,920.45/3,521.28
  6. Step 6: Final answer
    x = 2,356.79

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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.