Home / 3,658.35-5,047.29-2,240.55

Finding the Fourth Proportional to 3,658.35, 5,047.29 and 2,240.55

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Solution

The fourth proportional to 3,658.35, 5,047.29 and 2,240.55 is: 3,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.35 : 5,047.29 = 2,240.55 : x
  2. Step 2: Convert to fraction form
    3,658.35/5,047.29 = 2,240.55/x
  3. Step 3: Cross multiply
    3,658.35x = 5,047.29 × 2,240.55
  4. Step 4: Simplify right side
    3,658.35x = 11,308,705.61
  5. Step 5: Solve for x
    x = 11,308,705.61/3,658.35
  6. Step 6: Final answer
    x = 3,091.20

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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.