Home / 3,719.82-5,580.65-1,529.18

Finding the Fourth Proportional to 3,719.82, 5,580.65 and 1,529.18

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Solution

The fourth proportional to 3,719.82, 5,580.65 and 1,529.18 is: 2,294.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.82 : 5,580.65 = 1,529.18 : x
  2. Step 2: Convert to fraction form
    3,719.82/5,580.65 = 1,529.18/x
  3. Step 3: Cross multiply
    3,719.82x = 5,580.65 × 1,529.18
  4. Step 4: Simplify right side
    3,719.82x = 8,533,806.61
  5. Step 5: Solve for x
    x = 8,533,806.61/3,719.82
  6. Step 6: Final answer
    x = 2,294.14

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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.