Home / 2,319.17-3,481.07-1,087.46

Finding the Fourth Proportional to 2,319.17, 3,481.07 and 1,087.46

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Solution

The fourth proportional to 2,319.17, 3,481.07 and 1,087.46 is: 1,632.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.17 : 3,481.07 = 1,087.46 : x
  2. Step 2: Convert to fraction form
    2,319.17/3,481.07 = 1,087.46/x
  3. Step 3: Cross multiply
    2,319.17x = 3,481.07 × 1,087.46
  4. Step 4: Simplify right side
    2,319.17x = 3,785,501.54
  5. Step 5: Solve for x
    x = 3,785,501.54/2,319.17
  6. Step 6: Final answer
    x = 1,632.27

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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.