Home / 3,407.74-5,111.61-1,458.68

Finding the Fourth Proportional to 3,407.74, 5,111.61 and 1,458.68

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Solution

The fourth proportional to 3,407.74, 5,111.61 and 1,458.68 is: 2,188.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.74 : 5,111.61 = 1,458.68 : x
  2. Step 2: Convert to fraction form
    3,407.74/5,111.61 = 1,458.68/x
  3. Step 3: Cross multiply
    3,407.74x = 5,111.61 × 1,458.68
  4. Step 4: Simplify right side
    3,407.74x = 7,456,203.27
  5. Step 5: Solve for x
    x = 7,456,203.27/3,407.74
  6. Step 6: Final answer
    x = 2,188.02

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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.