Home / 2,877.88-4,319.13-1,491.62

Finding the Fourth Proportional to 2,877.88, 4,319.13 and 1,491.62

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Solution

The fourth proportional to 2,877.88, 4,319.13 and 1,491.62 is: 2,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.88 : 4,319.13 = 1,491.62 : x
  2. Step 2: Convert to fraction form
    2,877.88/4,319.13 = 1,491.62/x
  3. Step 3: Cross multiply
    2,877.88x = 4,319.13 × 1,491.62
  4. Step 4: Simplify right side
    2,877.88x = 6,442,479.71
  5. Step 5: Solve for x
    x = 6,442,479.71/2,877.88
  6. Step 6: Final answer
    x = 2,238.62

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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.