Home / 4,261.85-6,388.65-2,182.84

Finding the Fourth Proportional to 4,261.85, 6,388.65 and 2,182.84

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Solution

The fourth proportional to 4,261.85, 6,388.65 and 2,182.84 is: 3,272.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.85 : 6,388.65 = 2,182.84 : x
  2. Step 2: Convert to fraction form
    4,261.85/6,388.65 = 2,182.84/x
  3. Step 3: Cross multiply
    4,261.85x = 6,388.65 × 2,182.84
  4. Step 4: Simplify right side
    4,261.85x = 13,945,400.77
  5. Step 5: Solve for x
    x = 13,945,400.77/4,261.85
  6. Step 6: Final answer
    x = 3,272.15

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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.