Home / 2,949.76-4,422.08-1,718.40

Finding the Fourth Proportional to 2,949.76, 4,422.08 and 1,718.40

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Solution

The fourth proportional to 2,949.76, 4,422.08 and 1,718.40 is: 2,576.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.76 : 4,422.08 = 1,718.40 : x
  2. Step 2: Convert to fraction form
    2,949.76/4,422.08 = 1,718.40/x
  3. Step 3: Cross multiply
    2,949.76x = 4,422.08 × 1,718.40
  4. Step 4: Simplify right side
    2,949.76x = 7,598,902.27
  5. Step 5: Solve for x
    x = 7,598,902.27/2,949.76
  6. Step 6: Final answer
    x = 2,576.11

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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.