Home / 4,170.14-6,255.88-1,977.66

Finding the Fourth Proportional to 4,170.14, 6,255.88 and 1,977.66

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Solution

The fourth proportional to 4,170.14, 6,255.88 and 1,977.66 is: 2,966.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.14 : 6,255.88 = 1,977.66 : x
  2. Step 2: Convert to fraction form
    4,170.14/6,255.88 = 1,977.66/x
  3. Step 3: Cross multiply
    4,170.14x = 6,255.88 × 1,977.66
  4. Step 4: Simplify right side
    4,170.14x = 12,372,003.64
  5. Step 5: Solve for x
    x = 12,372,003.64/4,170.14
  6. Step 6: Final answer
    x = 2,966.81

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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.