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Finding the Fourth Proportional to 2,309.52, 3,464.20 and 578.12

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Solution

The fourth proportional to 2,309.52, 3,464.20 and 578.12 is: 867.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309.52 : 3,464.20 = 578.12 : x
  2. Step 2: Convert to fraction form
    2,309.52/3,464.20 = 578.12/x
  3. Step 3: Cross multiply
    2,309.52x = 3,464.20 × 578.12
  4. Step 4: Simplify right side
    2,309.52x = 2,002,723.30
  5. Step 5: Solve for x
    x = 2,002,723.30/2,309.52
  6. Step 6: Final answer
    x = 867.16

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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.