Home / 2,278.10-3,146.38-2,029.44

Finding the Fourth Proportional to 2,278.10, 3,146.38 and 2,029.44

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Solution

The fourth proportional to 2,278.10, 3,146.38 and 2,029.44 is: 2,802.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.10 : 3,146.38 = 2,029.44 : x
  2. Step 2: Convert to fraction form
    2,278.10/3,146.38 = 2,029.44/x
  3. Step 3: Cross multiply
    2,278.10x = 3,146.38 × 2,029.44
  4. Step 4: Simplify right side
    2,278.10x = 6,385,389.43
  5. Step 5: Solve for x
    x = 6,385,389.43/2,278.10
  6. Step 6: Final answer
    x = 2,802.95

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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.