Home / 2,908.72-4,013.28-1,730.08

Finding the Fourth Proportional to 2,908.72, 4,013.28 and 1,730.08

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Solution

The fourth proportional to 2,908.72, 4,013.28 and 1,730.08 is: 2,387.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.72 : 4,013.28 = 1,730.08 : x
  2. Step 2: Convert to fraction form
    2,908.72/4,013.28 = 1,730.08/x
  3. Step 3: Cross multiply
    2,908.72x = 4,013.28 × 1,730.08
  4. Step 4: Simplify right side
    2,908.72x = 6,943,295.46
  5. Step 5: Solve for x
    x = 6,943,295.46/2,908.72
  6. Step 6: Final answer
    x = 2,387.06

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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.