Home / 2,508.97-3,460.66-1,721.65

Finding the Fourth Proportional to 2,508.97, 3,460.66 and 1,721.65

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Solution

The fourth proportional to 2,508.97, 3,460.66 and 1,721.65 is: 2,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,508.97 : 3,460.66 = 1,721.65 : x
  2. Step 2: Convert to fraction form
    2,508.97/3,460.66 = 1,721.65/x
  3. Step 3: Cross multiply
    2,508.97x = 3,460.66 × 1,721.65
  4. Step 4: Simplify right side
    2,508.97x = 5,958,045.29
  5. Step 5: Solve for x
    x = 5,958,045.29/2,508.97
  6. Step 6: Final answer
    x = 2,374.70

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1.5x scale

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.