Home / 3,775.20-5,205.24-3,332.40

Finding the Fourth Proportional to 3,775.20, 5,205.24 and 3,332.40

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Solution

The fourth proportional to 3,775.20, 5,205.24 and 3,332.40 is: 4,594.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.20 : 5,205.24 = 3,332.40 : x
  2. Step 2: Convert to fraction form
    3,775.20/5,205.24 = 3,332.40/x
  3. Step 3: Cross multiply
    3,775.20x = 5,205.24 × 3,332.40
  4. Step 4: Simplify right side
    3,775.20x = 17,345,941.78
  5. Step 5: Solve for x
    x = 17,345,941.78/3,775.20
  6. Step 6: Final answer
    x = 4,594.71

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1.5x scale

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.