Home / 2,772.11-4,156.54-1,675.82

Finding the Fourth Proportional to 2,772.11, 4,156.54 and 1,675.82

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Solution

The fourth proportional to 2,772.11, 4,156.54 and 1,675.82 is: 2,512.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.11 : 4,156.54 = 1,675.82 : x
  2. Step 2: Convert to fraction form
    2,772.11/4,156.54 = 1,675.82/x
  3. Step 3: Cross multiply
    2,772.11x = 4,156.54 × 1,675.82
  4. Step 4: Simplify right side
    2,772.11x = 6,965,587.89
  5. Step 5: Solve for x
    x = 6,965,587.89/2,772.11
  6. Step 6: Final answer
    x = 2,512.74

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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.