Home / 3,862.16-5,330.48-2,291.04

Finding the Fourth Proportional to 3,862.16, 5,330.48 and 2,291.04

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Solution

The fourth proportional to 3,862.16, 5,330.48 and 2,291.04 is: 3,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.16 : 5,330.48 = 2,291.04 : x
  2. Step 2: Convert to fraction form
    3,862.16/5,330.48 = 2,291.04/x
  3. Step 3: Cross multiply
    3,862.16x = 5,330.48 × 2,291.04
  4. Step 4: Simplify right side
    3,862.16x = 12,212,342.90
  5. Step 5: Solve for x
    x = 12,212,342.90/3,862.16
  6. Step 6: Final answer
    x = 3,162.05

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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.