Home / 2,247.24-3,362.76-1,421.76

Finding the Fourth Proportional to 2,247.24, 3,362.76 and 1,421.76

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Solution

The fourth proportional to 2,247.24, 3,362.76 and 1,421.76 is: 2,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.24 : 3,362.76 = 1,421.76 : x
  2. Step 2: Convert to fraction form
    2,247.24/3,362.76 = 1,421.76/x
  3. Step 3: Cross multiply
    2,247.24x = 3,362.76 × 1,421.76
  4. Step 4: Simplify right side
    2,247.24x = 4,781,037.66
  5. Step 5: Solve for x
    x = 4,781,037.66/2,247.24
  6. Step 6: Final answer
    x = 2,127.52

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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.