Home / 4,261.04-6,387.24-1,660.40

Finding the Fourth Proportional to 4,261.04, 6,387.24 and 1,660.40

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Solution

The fourth proportional to 4,261.04, 6,387.24 and 1,660.40 is: 2,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.04 : 6,387.24 = 1,660.40 : x
  2. Step 2: Convert to fraction form
    4,261.04/6,387.24 = 1,660.40/x
  3. Step 3: Cross multiply
    4,261.04x = 6,387.24 × 1,660.40
  4. Step 4: Simplify right side
    4,261.04x = 10,605,373.30
  5. Step 5: Solve for x
    x = 10,605,373.30/4,261.04
  6. Step 6: Final answer
    x = 2,488.92

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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.