Home / 3,862.57-5,330.55-2,184.05

Finding the Fourth Proportional to 3,862.57, 5,330.55 and 2,184.05

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Solution

The fourth proportional to 3,862.57, 5,330.55 and 2,184.05 is: 3,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.57 : 5,330.55 = 2,184.05 : x
  2. Step 2: Convert to fraction form
    3,862.57/5,330.55 = 2,184.05/x
  3. Step 3: Cross multiply
    3,862.57x = 5,330.55 × 2,184.05
  4. Step 4: Simplify right side
    3,862.57x = 11,642,187.73
  5. Step 5: Solve for x
    x = 11,642,187.73/3,862.57
  6. Step 6: Final answer
    x = 3,014.10

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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.