Home / 3,887.60-5,364.94-2,294.30

Finding the Fourth Proportional to 3,887.60, 5,364.94 and 2,294.30

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Solution

The fourth proportional to 3,887.60, 5,364.94 and 2,294.30 is: 3,166.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.60 : 5,364.94 = 2,294.30 : x
  2. Step 2: Convert to fraction form
    3,887.60/5,364.94 = 2,294.30/x
  3. Step 3: Cross multiply
    3,887.60x = 5,364.94 × 2,294.30
  4. Step 4: Simplify right side
    3,887.60x = 12,308,781.84
  5. Step 5: Solve for x
    x = 12,308,781.84/3,887.60
  6. Step 6: Final answer
    x = 3,166.16

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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.