Home / 3,867.32-5,801-2,718.20

Finding the Fourth Proportional to 3,867.32, 5,801 and 2,718.20

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Solution

The fourth proportional to 3,867.32, 5,801 and 2,718.20 is: 4,077.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.32 : 5,801 = 2,718.20 : x
  2. Step 2: Convert to fraction form
    3,867.32/5,801 = 2,718.20/x
  3. Step 3: Cross multiply
    3,867.32x = 5,801 × 2,718.20
  4. Step 4: Simplify right side
    3,867.32x = 15,768,278.20
  5. Step 5: Solve for x
    x = 15,768,278.20/3,867.32
  6. Step 6: Final answer
    x = 4,077.31

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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.