Home / 1,685.04-2,325.72-1,063.92

Finding the Fourth Proportional to 1,685.04, 2,325.72 and 1,063.92

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Solution

The fourth proportional to 1,685.04, 2,325.72 and 1,063.92 is: 1,468.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685.04 : 2,325.72 = 1,063.92 : x
  2. Step 2: Convert to fraction form
    1,685.04/2,325.72 = 1,063.92/x
  3. Step 3: Cross multiply
    1,685.04x = 2,325.72 × 1,063.92
  4. Step 4: Simplify right side
    1,685.04x = 2,474,380.02
  5. Step 5: Solve for x
    x = 2,474,380.02/1,685.04
  6. Step 6: Final answer
    x = 1,468.44

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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.