Home / 3,055.70-4,217.18-1,877.55

Finding the Fourth Proportional to 3,055.70, 4,217.18 and 1,877.55

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Solution

The fourth proportional to 3,055.70, 4,217.18 and 1,877.55 is: 2,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.70 : 4,217.18 = 1,877.55 : x
  2. Step 2: Convert to fraction form
    3,055.70/4,217.18 = 1,877.55/x
  3. Step 3: Cross multiply
    3,055.70x = 4,217.18 × 1,877.55
  4. Step 4: Simplify right side
    3,055.70x = 7,917,956.92
  5. Step 5: Solve for x
    x = 7,917,956.92/3,055.70
  6. Step 6: Final answer
    x = 2,591.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.