Home / 3,934.84-5,430.30-2,256.52

Finding the Fourth Proportional to 3,934.84, 5,430.30 and 2,256.52

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Solution

The fourth proportional to 3,934.84, 5,430.30 and 2,256.52 is: 3,114.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.84 : 5,430.30 = 2,256.52 : x
  2. Step 2: Convert to fraction form
    3,934.84/5,430.30 = 2,256.52/x
  3. Step 3: Cross multiply
    3,934.84x = 5,430.30 × 2,256.52
  4. Step 4: Simplify right side
    3,934.84x = 12,253,580.56
  5. Step 5: Solve for x
    x = 12,253,580.56/3,934.84
  6. Step 6: Final answer
    x = 3,114.12

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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.