Home / 3,565.52-5,345.49-2,178.60

Finding the Fourth Proportional to 3,565.52, 5,345.49 and 2,178.60

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Solution

The fourth proportional to 3,565.52, 5,345.49 and 2,178.60 is: 3,266.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.52 : 5,345.49 = 2,178.60 : x
  2. Step 2: Convert to fraction form
    3,565.52/5,345.49 = 2,178.60/x
  3. Step 3: Cross multiply
    3,565.52x = 5,345.49 × 2,178.60
  4. Step 4: Simplify right side
    3,565.52x = 11,645,672.64
  5. Step 5: Solve for x
    x = 11,645,672.64/3,565.52
  6. Step 6: Final answer
    x = 3,266.19

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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.