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Finding the Fourth Proportional to 1,463.20, 2,194.80 and 586.10

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Solution

The fourth proportional to 1,463.20, 2,194.80 and 586.10 is: 879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.20 : 2,194.80 = 586.10 : x
  2. Step 2: Convert to fraction form
    1,463.20/2,194.80 = 586.10/x
  3. Step 3: Cross multiply
    1,463.20x = 2,194.80 × 586.10
  4. Step 4: Simplify right side
    1,463.20x = 1,286,374.34
  5. Step 5: Solve for x
    x = 1,286,374.34/1,463.20
  6. Step 6: Final answer
    x = 879.15

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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.