Home / 2,419.77-3,339.33-1,371.87

Finding the Fourth Proportional to 2,419.77, 3,339.33 and 1,371.87

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Solution

The fourth proportional to 2,419.77, 3,339.33 and 1,371.87 is: 1,893.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.77 : 3,339.33 = 1,371.87 : x
  2. Step 2: Convert to fraction form
    2,419.77/3,339.33 = 1,371.87/x
  3. Step 3: Cross multiply
    2,419.77x = 3,339.33 × 1,371.87
  4. Step 4: Simplify right side
    2,419.77x = 4,581,126.65
  5. Step 5: Solve for x
    x = 4,581,126.65/2,419.77
  6. Step 6: Final answer
    x = 1,893.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.