Home / 2,184.16-3,276.51-722.92

Finding the Fourth Proportional to 2,184.16, 3,276.51 and 722.92

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Solution

The fourth proportional to 2,184.16, 3,276.51 and 722.92 is: 1,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.16 : 3,276.51 = 722.92 : x
  2. Step 2: Convert to fraction form
    2,184.16/3,276.51 = 722.92/x
  3. Step 3: Cross multiply
    2,184.16x = 3,276.51 × 722.92
  4. Step 4: Simplify right side
    2,184.16x = 2,368,654.61
  5. Step 5: Solve for x
    x = 2,368,654.61/2,184.16
  6. Step 6: Final answer
    x = 1,084.47

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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.