Home / 2,908.52-4,013.10-1,729.40

Finding the Fourth Proportional to 2,908.52, 4,013.10 and 1,729.40

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Solution

The fourth proportional to 2,908.52, 4,013.10 and 1,729.40 is: 2,386.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.52 : 4,013.10 = 1,729.40 : x
  2. Step 2: Convert to fraction form
    2,908.52/4,013.10 = 1,729.40/x
  3. Step 3: Cross multiply
    2,908.52x = 4,013.10 × 1,729.40
  4. Step 4: Simplify right side
    2,908.52x = 6,940,255.14
  5. Step 5: Solve for x
    x = 6,940,255.14/2,908.52
  6. Step 6: Final answer
    x = 2,386.18

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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.