Home / 2,177.32-3,260.40-1,202.32

Finding the Fourth Proportional to 2,177.32, 3,260.40 and 1,202.32

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Solution

The fourth proportional to 2,177.32, 3,260.40 and 1,202.32 is: 1,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.32 : 3,260.40 = 1,202.32 : x
  2. Step 2: Convert to fraction form
    2,177.32/3,260.40 = 1,202.32/x
  3. Step 3: Cross multiply
    2,177.32x = 3,260.40 × 1,202.32
  4. Step 4: Simplify right side
    2,177.32x = 3,920,044.13
  5. Step 5: Solve for x
    x = 3,920,044.13/2,177.32
  6. Step 6: Final answer
    x = 1,800.40

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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.