Home / 2,184.90-3,275.34-723.24

Finding the Fourth Proportional to 2,184.90, 3,275.34 and 723.24

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Solution

The fourth proportional to 2,184.90, 3,275.34 and 723.24 is: 1,084.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.90 : 3,275.34 = 723.24 : x
  2. Step 2: Convert to fraction form
    2,184.90/3,275.34 = 723.24/x
  3. Step 3: Cross multiply
    2,184.90x = 3,275.34 × 723.24
  4. Step 4: Simplify right side
    2,184.90x = 2,368,856.90
  5. Step 5: Solve for x
    x = 2,368,856.90/2,184.90
  6. Step 6: Final answer
    x = 1,084.19

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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.