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Finding the Fourth Proportional to 1,719.98, 2,373.68 and 963.83

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Solution

The fourth proportional to 1,719.98, 2,373.68 and 963.83 is: 1,330.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.98 : 2,373.68 = 963.83 : x
  2. Step 2: Convert to fraction form
    1,719.98/2,373.68 = 963.83/x
  3. Step 3: Cross multiply
    1,719.98x = 2,373.68 × 963.83
  4. Step 4: Simplify right side
    1,719.98x = 2,287,807.31
  5. Step 5: Solve for x
    x = 2,287,807.31/1,719.98
  6. Step 6: Final answer
    x = 1,330.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.