Home / 3,887.55-5,363.89-2,294.26

Finding the Fourth Proportional to 3,887.55, 5,363.89 and 2,294.26

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Solution

The fourth proportional to 3,887.55, 5,363.89 and 2,294.26 is: 3,165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.55 : 5,363.89 = 2,294.26 : x
  2. Step 2: Convert to fraction form
    3,887.55/5,363.89 = 2,294.26/x
  3. Step 3: Cross multiply
    3,887.55x = 5,363.89 × 2,294.26
  4. Step 4: Simplify right side
    3,887.55x = 12,306,139.13
  5. Step 5: Solve for x
    x = 12,306,139.13/3,887.55
  6. Step 6: Final answer
    x = 3,165.53

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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.