Home / 2,222.08-3,331.04-760.24

Finding the Fourth Proportional to 2,222.08, 3,331.04 and 760.24

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Solution

The fourth proportional to 2,222.08, 3,331.04 and 760.24 is: 1,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.08 : 3,331.04 = 760.24 : x
  2. Step 2: Convert to fraction form
    2,222.08/3,331.04 = 760.24/x
  3. Step 3: Cross multiply
    2,222.08x = 3,331.04 × 760.24
  4. Step 4: Simplify right side
    2,222.08x = 2,532,389.85
  5. Step 5: Solve for x
    x = 2,532,389.85/2,222.08
  6. Step 6: Final answer
    x = 1,139.65

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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.