Home / 3,056.24-4,218.68-1,877.42

Finding the Fourth Proportional to 3,056.24, 4,218.68 and 1,877.42

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Solution

The fourth proportional to 3,056.24, 4,218.68 and 1,877.42 is: 2,591.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.24 : 4,218.68 = 1,877.42 : x
  2. Step 2: Convert to fraction form
    3,056.24/4,218.68 = 1,877.42/x
  3. Step 3: Cross multiply
    3,056.24x = 4,218.68 × 1,877.42
  4. Step 4: Simplify right side
    3,056.24x = 7,920,234.21
  5. Step 5: Solve for x
    x = 7,920,234.21/3,056.24
  6. Step 6: Final answer
    x = 2,591.50

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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.