Home / 3,719.32-5,580.97-1,870.43

Finding the Fourth Proportional to 3,719.32, 5,580.97 and 1,870.43

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Solution

The fourth proportional to 3,719.32, 5,580.97 and 1,870.43 is: 2,806.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.32 : 5,580.97 = 1,870.43 : x
  2. Step 2: Convert to fraction form
    3,719.32/5,580.97 = 1,870.43/x
  3. Step 3: Cross multiply
    3,719.32x = 5,580.97 × 1,870.43
  4. Step 4: Simplify right side
    3,719.32x = 10,438,781.14
  5. Step 5: Solve for x
    x = 10,438,781.14/3,719.32
  6. Step 6: Final answer
    x = 2,806.64

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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.