Home / 2,686.60-3,707.64-1,508.04

Finding the Fourth Proportional to 2,686.60, 3,707.64 and 1,508.04

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Solution

The fourth proportional to 2,686.60, 3,707.64 and 1,508.04 is: 2,081.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.60 : 3,707.64 = 1,508.04 : x
  2. Step 2: Convert to fraction form
    2,686.60/3,707.64 = 1,508.04/x
  3. Step 3: Cross multiply
    2,686.60x = 3,707.64 × 1,508.04
  4. Step 4: Simplify right side
    2,686.60x = 5,591,269.43
  5. Step 5: Solve for x
    x = 5,591,269.43/2,686.60
  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.