Home / 2,386.38-3,581.77-1,719.97

Finding the Fourth Proportional to 2,386.38, 3,581.77 and 1,719.97

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Solution

The fourth proportional to 2,386.38, 3,581.77 and 1,719.97 is: 2,581.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.38 : 3,581.77 = 1,719.97 : x
  2. Step 2: Convert to fraction form
    2,386.38/3,581.77 = 1,719.97/x
  3. Step 3: Cross multiply
    2,386.38x = 3,581.77 × 1,719.97
  4. Step 4: Simplify right side
    2,386.38x = 6,160,536.95
  5. Step 5: Solve for x
    x = 6,160,536.95/2,386.38
  6. Step 6: Final answer
    x = 2,581.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.