Home / 3,565.12-5,347.52-1,618.88

Finding the Fourth Proportional to 3,565.12, 5,347.52 and 1,618.88

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Solution

The fourth proportional to 3,565.12, 5,347.52 and 1,618.88 is: 2,428.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.12 : 5,347.52 = 1,618.88 : x
  2. Step 2: Convert to fraction form
    3,565.12/5,347.52 = 1,618.88/x
  3. Step 3: Cross multiply
    3,565.12x = 5,347.52 × 1,618.88
  4. Step 4: Simplify right side
    3,565.12x = 8,656,993.18
  5. Step 5: Solve for x
    x = 8,656,993.18/3,565.12
  6. Step 6: Final answer
    x = 2,428.25

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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.