Home / 3,565.40-4,921.97-2,239.83

Finding the Fourth Proportional to 3,565.40, 4,921.97 and 2,239.83

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Solution

The fourth proportional to 3,565.40, 4,921.97 and 2,239.83 is: 3,092.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.40 : 4,921.97 = 2,239.83 : x
  2. Step 2: Convert to fraction form
    3,565.40/4,921.97 = 2,239.83/x
  3. Step 3: Cross multiply
    3,565.40x = 4,921.97 × 2,239.83
  4. Step 4: Simplify right side
    3,565.40x = 11,024,364.87
  5. Step 5: Solve for x
    x = 11,024,364.87/3,565.40
  6. Step 6: Final answer
    x = 3,092.05

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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.