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Finding the Fourth Proportional to 2,446.95, 3,669.10 and 864.88

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Solution

The fourth proportional to 2,446.95, 3,669.10 and 864.88 is: 1,296.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.95 : 3,669.10 = 864.88 : x
  2. Step 2: Convert to fraction form
    2,446.95/3,669.10 = 864.88/x
  3. Step 3: Cross multiply
    2,446.95x = 3,669.10 × 864.88
  4. Step 4: Simplify right side
    2,446.95x = 3,173,312.86
  5. Step 5: Solve for x
    x = 3,173,312.86/2,446.95
  6. Step 6: Final answer
    x = 1,296.84

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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.