Home / 3,082.02-4,620.30-1,440.56

Finding the Fourth Proportional to 3,082.02, 4,620.30 and 1,440.56

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Solution

The fourth proportional to 3,082.02, 4,620.30 and 1,440.56 is: 2,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.02 : 4,620.30 = 1,440.56 : x
  2. Step 2: Convert to fraction form
    3,082.02/4,620.30 = 1,440.56/x
  3. Step 3: Cross multiply
    3,082.02x = 4,620.30 × 1,440.56
  4. Step 4: Simplify right side
    3,082.02x = 6,655,819.37
  5. Step 5: Solve for x
    x = 6,655,819.37/3,082.02
  6. Step 6: Final answer
    x = 2,159.56

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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.