Home / 3,113.17-4,670.42-922.07

Finding the Fourth Proportional to 3,113.17, 4,670.42 and 922.07

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Solution

The fourth proportional to 3,113.17, 4,670.42 and 922.07 is: 1,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.17 : 4,670.42 = 922.07 : x
  2. Step 2: Convert to fraction form
    3,113.17/4,670.42 = 922.07/x
  3. Step 3: Cross multiply
    3,113.17x = 4,670.42 × 922.07
  4. Step 4: Simplify right side
    3,113.17x = 4,306,454.17
  5. Step 5: Solve for x
    x = 4,306,454.17/3,113.17
  6. Step 6: Final answer
    x = 1,383.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.