Home / 2,197.06-3,031.65-1,265.38

Finding the Fourth Proportional to 2,197.06, 3,031.65 and 1,265.38

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Solution

The fourth proportional to 2,197.06, 3,031.65 and 1,265.38 is: 1,746.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.06 : 3,031.65 = 1,265.38 : x
  2. Step 2: Convert to fraction form
    2,197.06/3,031.65 = 1,265.38/x
  3. Step 3: Cross multiply
    2,197.06x = 3,031.65 × 1,265.38
  4. Step 4: Simplify right side
    2,197.06x = 3,836,189.28
  5. Step 5: Solve for x
    x = 3,836,189.28/2,197.06
  6. Step 6: Final answer
    x = 1,746.06

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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.