Home / 3,565.42-5,345.82-1,486.85

Finding the Fourth Proportional to 3,565.42, 5,345.82 and 1,486.85

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Solution

The fourth proportional to 3,565.42, 5,345.82 and 1,486.85 is: 2,229.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.42 : 5,345.82 = 1,486.85 : x
  2. Step 2: Convert to fraction form
    3,565.42/5,345.82 = 1,486.85/x
  3. Step 3: Cross multiply
    3,565.42x = 5,345.82 × 1,486.85
  4. Step 4: Simplify right side
    3,565.42x = 7,948,405.74
  5. Step 5: Solve for x
    x = 7,948,405.74/3,565.42
  6. Step 6: Final answer
    x = 2,229.31

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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.