Home / 1,629.95-2,445.80-1,082.39

Finding the Fourth Proportional to 1,629.95, 2,445.80 and 1,082.39

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Solution

The fourth proportional to 1,629.95, 2,445.80 and 1,082.39 is: 1,624.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.95 : 2,445.80 = 1,082.39 : x
  2. Step 2: Convert to fraction form
    1,629.95/2,445.80 = 1,082.39/x
  3. Step 3: Cross multiply
    1,629.95x = 2,445.80 × 1,082.39
  4. Step 4: Simplify right side
    1,629.95x = 2,647,309.46
  5. Step 5: Solve for x
    x = 2,647,309.46/1,629.95
  6. Step 6: Final answer
    x = 1,624.17

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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.