Home / 2,240.76-3,358.98-1,419.96

Finding the Fourth Proportional to 2,240.76, 3,358.98 and 1,419.96

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Solution

The fourth proportional to 2,240.76, 3,358.98 and 1,419.96 is: 2,128.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.76 : 3,358.98 = 1,419.96 : x
  2. Step 2: Convert to fraction form
    2,240.76/3,358.98 = 1,419.96/x
  3. Step 3: Cross multiply
    2,240.76x = 3,358.98 × 1,419.96
  4. Step 4: Simplify right side
    2,240.76x = 4,769,617.24
  5. Step 5: Solve for x
    x = 4,769,617.24/2,240.76
  6. Step 6: Final answer
    x = 2,128.57

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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.