Home / 1,481.16-2,044.10-851.70

Finding the Fourth Proportional to 1,481.16, 2,044.10 and 851.70

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Solution

The fourth proportional to 1,481.16, 2,044.10 and 851.70 is: 1,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.16 : 2,044.10 = 851.70 : x
  2. Step 2: Convert to fraction form
    1,481.16/2,044.10 = 851.70/x
  3. Step 3: Cross multiply
    1,481.16x = 2,044.10 × 851.70
  4. Step 4: Simplify right side
    1,481.16x = 1,740,955.71
  5. Step 5: Solve for x
    x = 1,740,955.71/1,481.16
  6. Step 6: Final answer
    x = 1,175.40

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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.