Home / 1,552.31-2,139.97-1,110.05

Finding the Fourth Proportional to 1,552.31, 2,139.97 and 1,110.05

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Solution

The fourth proportional to 1,552.31, 2,139.97 and 1,110.05 is: 1,530.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.31 : 2,139.97 = 1,110.05 : x
  2. Step 2: Convert to fraction form
    1,552.31/2,139.97 = 1,110.05/x
  3. Step 3: Cross multiply
    1,552.31x = 2,139.97 × 1,110.05
  4. Step 4: Simplify right side
    1,552.31x = 2,375,473.70
  5. Step 5: Solve for x
    x = 2,375,473.70/1,552.31
  6. Step 6: Final answer
    x = 1,530.28

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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.