Home / 2,686.98-3,708.09-1,508.07

Finding the Fourth Proportional to 2,686.98, 3,708.09 and 1,508.07

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Solution

The fourth proportional to 2,686.98, 3,708.09 and 1,508.07 is: 2,081.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.98 : 3,708.09 = 1,508.07 : x
  2. Step 2: Convert to fraction form
    2,686.98/3,708.09 = 1,508.07/x
  3. Step 3: Cross multiply
    2,686.98x = 3,708.09 × 1,508.07
  4. Step 4: Simplify right side
    2,686.98x = 5,592,059.29
  5. Step 5: Solve for x
    x = 5,592,059.29/2,686.98
  6. Step 6: Final answer
    x = 2,081.17

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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.