Home / 2,481.47-3,424.85-1,434.14

Finding the Fourth Proportional to 2,481.47, 3,424.85 and 1,434.14

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Solution

The fourth proportional to 2,481.47, 3,424.85 and 1,434.14 is: 1,979.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.47 : 3,424.85 = 1,434.14 : x
  2. Step 2: Convert to fraction form
    2,481.47/3,424.85 = 1,434.14/x
  3. Step 3: Cross multiply
    2,481.47x = 3,424.85 × 1,434.14
  4. Step 4: Simplify right side
    2,481.47x = 4,911,708.31
  5. Step 5: Solve for x
    x = 4,911,708.31/2,481.47
  6. Step 6: Final answer
    x = 1,979.36

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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.