Home / 3,177.96-4,741.50-2,766.48

Finding the Fourth Proportional to 3,177.96, 4,741.50 and 2,766.48

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Solution

The fourth proportional to 3,177.96, 4,741.50 and 2,766.48 is: 4,127.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.96 : 4,741.50 = 2,766.48 : x
  2. Step 2: Convert to fraction form
    3,177.96/4,741.50 = 2,766.48/x
  3. Step 3: Cross multiply
    3,177.96x = 4,741.50 × 2,766.48
  4. Step 4: Simplify right side
    3,177.96x = 13,117,264.92
  5. Step 5: Solve for x
    x = 13,117,264.92/3,177.96
  6. Step 6: Final answer
    x = 4,127.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.