Home / 2,777.45-4,167.53-1,217.24

Finding the Fourth Proportional to 2,777.45, 4,167.53 and 1,217.24

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Solution

The fourth proportional to 2,777.45, 4,167.53 and 1,217.24 is: 1,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.45 : 4,167.53 = 1,217.24 : x
  2. Step 2: Convert to fraction form
    2,777.45/4,167.53 = 1,217.24/x
  3. Step 3: Cross multiply
    2,777.45x = 4,167.53 × 1,217.24
  4. Step 4: Simplify right side
    2,777.45x = 5,072,873.80
  5. Step 5: Solve for x
    x = 5,072,873.80/2,777.45
  6. Step 6: Final answer
    x = 1,826.45

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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.