Home / 2,777.67-4,167.45-1,478.25

Finding the Fourth Proportional to 2,777.67, 4,167.45 and 1,478.25

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Solution

The fourth proportional to 2,777.67, 4,167.45 and 1,478.25 is: 2,217.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.67 : 4,167.45 = 1,478.25 : x
  2. Step 2: Convert to fraction form
    2,777.67/4,167.45 = 1,478.25/x
  3. Step 3: Cross multiply
    2,777.67x = 4,167.45 × 1,478.25
  4. Step 4: Simplify right side
    2,777.67x = 6,160,532.96
  5. Step 5: Solve for x
    x = 6,160,532.96/2,777.67
  6. Step 6: Final answer
    x = 2,217.88

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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.