Home / 4,175.80-6,255.18-1,977.85

Finding the Fourth Proportional to 4,175.80, 6,255.18 and 1,977.85

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Solution

The fourth proportional to 4,175.80, 6,255.18 and 1,977.85 is: 2,962.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,175.80 : 6,255.18 = 1,977.85 : x
  2. Step 2: Convert to fraction form
    4,175.80/6,255.18 = 1,977.85/x
  3. Step 3: Cross multiply
    4,175.80x = 6,255.18 × 1,977.85
  4. Step 4: Simplify right side
    4,175.80x = 12,371,807.76
  5. Step 5: Solve for x
    x = 12,371,807.76/4,175.80
  6. Step 6: Final answer
    x = 2,962.74

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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.