Home / 2,949.95-4,044.54-2,897.30

Finding the Fourth Proportional to 2,949.95, 4,044.54 and 2,897.30

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Solution

The fourth proportional to 2,949.95, 4,044.54 and 2,897.30 is: 3,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.95 : 4,044.54 = 2,897.30 : x
  2. Step 2: Convert to fraction form
    2,949.95/4,044.54 = 2,897.30/x
  3. Step 3: Cross multiply
    2,949.95x = 4,044.54 × 2,897.30
  4. Step 4: Simplify right side
    2,949.95x = 11,718,245.74
  5. Step 5: Solve for x
    x = 11,718,245.74/2,949.95
  6. Step 6: Final answer
    x = 3,972.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.