Home / 2,278.04-3,417.09-634.55

Finding the Fourth Proportional to 2,278.04, 3,417.09 and 634.55

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Solution

The fourth proportional to 2,278.04, 3,417.09 and 634.55 is: 951.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.04 : 3,417.09 = 634.55 : x
  2. Step 2: Convert to fraction form
    2,278.04/3,417.09 = 634.55/x
  3. Step 3: Cross multiply
    2,278.04x = 3,417.09 × 634.55
  4. Step 4: Simplify right side
    2,278.04x = 2,168,314.46
  5. Step 5: Solve for x
    x = 2,168,314.46/2,278.04
  6. Step 6: Final answer
    x = 951.83

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1.5x scale

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.