Home / 3,500.67-5,275.01-2,897.90

Finding the Fourth Proportional to 3,500.67, 5,275.01 and 2,897.90

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Solution

The fourth proportional to 3,500.67, 5,275.01 and 2,897.90 is: 4,366.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.67 : 5,275.01 = 2,897.90 : x
  2. Step 2: Convert to fraction form
    3,500.67/5,275.01 = 2,897.90/x
  3. Step 3: Cross multiply
    3,500.67x = 5,275.01 × 2,897.90
  4. Step 4: Simplify right side
    3,500.67x = 15,286,451.48
  5. Step 5: Solve for x
    x = 15,286,451.48/3,500.67
  6. Step 6: Final answer
    x = 4,366.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.