Home / 2,661.60-4,001.04-2,388.96

Finding the Fourth Proportional to 2,661.60, 4,001.04 and 2,388.96

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Solution

The fourth proportional to 2,661.60, 4,001.04 and 2,388.96 is: 3,591.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661.60 : 4,001.04 = 2,388.96 : x
  2. Step 2: Convert to fraction form
    2,661.60/4,001.04 = 2,388.96/x
  3. Step 3: Cross multiply
    2,661.60x = 4,001.04 × 2,388.96
  4. Step 4: Simplify right side
    2,661.60x = 9,558,324.52
  5. Step 5: Solve for x
    x = 9,558,324.52/2,661.60
  6. Step 6: Final answer
    x = 3,591.19

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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.