Home / 3,862.36-5,330.24-2,290.60

Finding the Fourth Proportional to 3,862.36, 5,330.24 and 2,290.60

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Solution

The fourth proportional to 3,862.36, 5,330.24 and 2,290.60 is: 3,161.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.36 : 5,330.24 = 2,290.60 : x
  2. Step 2: Convert to fraction form
    3,862.36/5,330.24 = 2,290.60/x
  3. Step 3: Cross multiply
    3,862.36x = 5,330.24 × 2,290.60
  4. Step 4: Simplify right side
    3,862.36x = 12,209,447.74
  5. Step 5: Solve for x
    x = 12,209,447.74/3,862.36
  6. Step 6: Final answer
    x = 3,161.14

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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.