Home / 2,345.52-3,517.24-1,113.28

Finding the Fourth Proportional to 2,345.52, 3,517.24 and 1,113.28

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Solution

The fourth proportional to 2,345.52, 3,517.24 and 1,113.28 is: 1,669.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.52 : 3,517.24 = 1,113.28 : x
  2. Step 2: Convert to fraction form
    2,345.52/3,517.24 = 1,113.28/x
  3. Step 3: Cross multiply
    2,345.52x = 3,517.24 × 1,113.28
  4. Step 4: Simplify right side
    2,345.52x = 3,915,672.95
  5. Step 5: Solve for x
    x = 3,915,672.95/2,345.52
  6. Step 6: Final answer
    x = 1,669.43

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1.5x scale

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.