Home / 3,902.95-5,387.01-2,224.77

Finding the Fourth Proportional to 3,902.95, 5,387.01 and 2,224.77

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Solution

The fourth proportional to 3,902.95, 5,387.01 and 2,224.77 is: 3,070.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.95 : 5,387.01 = 2,224.77 : x
  2. Step 2: Convert to fraction form
    3,902.95/5,387.01 = 2,224.77/x
  3. Step 3: Cross multiply
    3,902.95x = 5,387.01 × 2,224.77
  4. Step 4: Simplify right side
    3,902.95x = 11,984,858.24
  5. Step 5: Solve for x
    x = 11,984,858.24/3,902.95
  6. Step 6: Final answer
    x = 3,070.72

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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.