Home / 2,897.74-4,001.72-2,475.63

Finding the Fourth Proportional to 2,897.74, 4,001.72 and 2,475.63

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Solution

The fourth proportional to 2,897.74, 4,001.72 and 2,475.63 is: 3,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.74 : 4,001.72 = 2,475.63 : x
  2. Step 2: Convert to fraction form
    2,897.74/4,001.72 = 2,475.63/x
  3. Step 3: Cross multiply
    2,897.74x = 4,001.72 × 2,475.63
  4. Step 4: Simplify right side
    2,897.74x = 9,906,778.08
  5. Step 5: Solve for x
    x = 9,906,778.08/2,897.74
  6. Step 6: Final answer
    x = 3,418.79

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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.