Home / 1,775.17-2,449.92-1,112.05

Finding the Fourth Proportional to 1,775.17, 2,449.92 and 1,112.05

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Solution

The fourth proportional to 1,775.17, 2,449.92 and 1,112.05 is: 1,534.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.17 : 2,449.92 = 1,112.05 : x
  2. Step 2: Convert to fraction form
    1,775.17/2,449.92 = 1,112.05/x
  3. Step 3: Cross multiply
    1,775.17x = 2,449.92 × 1,112.05
  4. Step 4: Simplify right side
    1,775.17x = 2,724,433.54
  5. Step 5: Solve for x
    x = 2,724,433.54/1,775.17
  6. Step 6: Final answer
    x = 1,534.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.