Home / 2,481.48-3,424.84-1,434.15

Finding the Fourth Proportional to 2,481.48, 3,424.84 and 1,434.15

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Solution

The fourth proportional to 2,481.48, 3,424.84 and 1,434.15 is: 1,979.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.48 : 3,424.84 = 1,434.15 : x
  2. Step 2: Convert to fraction form
    2,481.48/3,424.84 = 1,434.15/x
  3. Step 3: Cross multiply
    2,481.48x = 3,424.84 × 1,434.15
  4. Step 4: Simplify right side
    2,481.48x = 4,911,730.70
  5. Step 5: Solve for x
    x = 4,911,730.70/2,481.48
  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.