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Finding the Fourth Proportional to 2,312.25, 3,468.12 and 580.88

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Solution

The fourth proportional to 2,312.25, 3,468.12 and 580.88 is: 871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.25 : 3,468.12 = 580.88 : x
  2. Step 2: Convert to fraction form
    2,312.25/3,468.12 = 580.88/x
  3. Step 3: Cross multiply
    2,312.25x = 3,468.12 × 580.88
  4. Step 4: Simplify right side
    2,312.25x = 2,014,544.21
  5. Step 5: Solve for x
    x = 2,014,544.21/2,312.25
  6. Step 6: Final answer
    x = 871.25

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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.