Home / 3,888.24-5,830.72-1,422.04

Finding the Fourth Proportional to 3,888.24, 5,830.72 and 1,422.04

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Solution

The fourth proportional to 3,888.24, 5,830.72 and 1,422.04 is: 2,132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.24 : 5,830.72 = 1,422.04 : x
  2. Step 2: Convert to fraction form
    3,888.24/5,830.72 = 1,422.04/x
  3. Step 3: Cross multiply
    3,888.24x = 5,830.72 × 1,422.04
  4. Step 4: Simplify right side
    3,888.24x = 8,291,517.07
  5. Step 5: Solve for x
    x = 8,291,517.07/3,888.24
  6. Step 6: Final answer
    x = 2,132.46

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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.