Home / 2,479.71-3,719.57-1,018.47

Finding the Fourth Proportional to 2,479.71, 3,719.57 and 1,018.47

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Solution

The fourth proportional to 2,479.71, 3,719.57 and 1,018.47 is: 1,527.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.71 : 3,719.57 = 1,018.47 : x
  2. Step 2: Convert to fraction form
    2,479.71/3,719.57 = 1,018.47/x
  3. Step 3: Cross multiply
    2,479.71x = 3,719.57 × 1,018.47
  4. Step 4: Simplify right side
    2,479.71x = 3,788,265.37
  5. Step 5: Solve for x
    x = 3,788,265.37/2,479.71
  6. Step 6: Final answer
    x = 1,527.71

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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.