Home / 2,080.68-3,117.18-1,053.48

Finding the Fourth Proportional to 2,080.68, 3,117.18 and 1,053.48

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Solution

The fourth proportional to 2,080.68, 3,117.18 and 1,053.48 is: 1,578.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.68 : 3,117.18 = 1,053.48 : x
  2. Step 2: Convert to fraction form
    2,080.68/3,117.18 = 1,053.48/x
  3. Step 3: Cross multiply
    2,080.68x = 3,117.18 × 1,053.48
  4. Step 4: Simplify right side
    2,080.68x = 3,283,886.79
  5. Step 5: Solve for x
    x = 3,283,886.79/2,080.68
  6. Step 6: Final answer
    x = 1,578.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.