Home / 3,056.38-4,218.06-1,877.86

Finding the Fourth Proportional to 3,056.38, 4,218.06 and 1,877.86

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Solution

The fourth proportional to 3,056.38, 4,218.06 and 1,877.86 is: 2,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.38 : 4,218.06 = 1,877.86 : x
  2. Step 2: Convert to fraction form
    3,056.38/4,218.06 = 1,877.86/x
  3. Step 3: Cross multiply
    3,056.38x = 4,218.06 × 1,877.86
  4. Step 4: Simplify right side
    3,056.38x = 7,920,926.15
  5. Step 5: Solve for x
    x = 7,920,926.15/3,056.38
  6. Step 6: Final answer
    x = 2,591.60

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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.