Home / 3,407.76-5,110.56-2,319.12

Finding the Fourth Proportional to 3,407.76, 5,110.56 and 2,319.12

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Solution

The fourth proportional to 3,407.76, 5,110.56 and 2,319.12 is: 3,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.76 : 5,110.56 = 2,319.12 : x
  2. Step 2: Convert to fraction form
    3,407.76/5,110.56 = 2,319.12/x
  3. Step 3: Cross multiply
    3,407.76x = 5,110.56 × 2,319.12
  4. Step 4: Simplify right side
    3,407.76x = 11,852,001.91
  5. Step 5: Solve for x
    x = 11,852,001.91/3,407.76
  6. Step 6: Final answer
    x = 3,477.95

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1.5x scale

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.