Home / 3,153.18-4,724.30-2,098.40

Finding the Fourth Proportional to 3,153.18, 4,724.30 and 2,098.40

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Solution

The fourth proportional to 3,153.18, 4,724.30 and 2,098.40 is: 3,143.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.18 : 4,724.30 = 2,098.40 : x
  2. Step 2: Convert to fraction form
    3,153.18/4,724.30 = 2,098.40/x
  3. Step 3: Cross multiply
    3,153.18x = 4,724.30 × 2,098.40
  4. Step 4: Simplify right side
    3,153.18x = 9,913,472.44
  5. Step 5: Solve for x
    x = 9,913,472.44/3,153.18
  6. Step 6: Final answer
    x = 3,143.97

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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.