Home / 1,775.18-2,449.63-1,112

Finding the Fourth Proportional to 1,775.18, 2,449.63 and 1,112

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Solution

The fourth proportional to 1,775.18, 2,449.63 and 1,112 is: 1,534.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.18 : 2,449.63 = 1,112 : x
  2. Step 2: Convert to fraction form
    1,775.18/2,449.63 = 1,112/x
  3. Step 3: Cross multiply
    1,775.18x = 2,449.63 × 1,112
  4. Step 4: Simplify right side
    1,775.18x = 2,723,988.56
  5. Step 5: Solve for x
    x = 2,723,988.56/1,775.18
  6. Step 6: Final answer
    x = 1,534.49

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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.