Home / 2,278.07-3,417.10-634.62

Finding the Fourth Proportional to 2,278.07, 3,417.10 and 634.62

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Solution

The fourth proportional to 2,278.07, 3,417.10 and 634.62 is: 951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.07 : 3,417.10 = 634.62 : x
  2. Step 2: Convert to fraction form
    2,278.07/3,417.10 = 634.62/x
  3. Step 3: Cross multiply
    2,278.07x = 3,417.10 × 634.62
  4. Step 4: Simplify right side
    2,278.07x = 2,168,560.00
  5. Step 5: Solve for x
    x = 2,168,560.00/2,278.07
  6. Step 6: Final answer
    x = 951.93

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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.