Home / 2,148.08-3,223.56-2,001.20

Finding the Fourth Proportional to 2,148.08, 3,223.56 and 2,001.20

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Solution

The fourth proportional to 2,148.08, 3,223.56 and 2,001.20 is: 3,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.08 : 3,223.56 = 2,001.20 : x
  2. Step 2: Convert to fraction form
    2,148.08/3,223.56 = 2,001.20/x
  3. Step 3: Cross multiply
    2,148.08x = 3,223.56 × 2,001.20
  4. Step 4: Simplify right side
    2,148.08x = 6,450,988.27
  5. Step 5: Solve for x
    x = 6,450,988.27/2,148.08
  6. Step 6: Final answer
    x = 3,003.14

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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.