Home / 2,897.31-4,000.01-2,197.47

Finding the Fourth Proportional to 2,897.31, 4,000.01 and 2,197.47

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Solution

The fourth proportional to 2,897.31, 4,000.01 and 2,197.47 is: 3,033.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.31 : 4,000.01 = 2,197.47 : x
  2. Step 2: Convert to fraction form
    2,897.31/4,000.01 = 2,197.47/x
  3. Step 3: Cross multiply
    2,897.31x = 4,000.01 × 2,197.47
  4. Step 4: Simplify right side
    2,897.31x = 8,789,901.97
  5. Step 5: Solve for x
    x = 8,789,901.97/2,897.31
  6. Step 6: Final answer
    x = 3,033.81

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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.