Home / 2,873.74-3,985.92-2,757.10

Finding the Fourth Proportional to 2,873.74, 3,985.92 and 2,757.10

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Solution

The fourth proportional to 2,873.74, 3,985.92 and 2,757.10 is: 3,824.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.74 : 3,985.92 = 2,757.10 : x
  2. Step 2: Convert to fraction form
    2,873.74/3,985.92 = 2,757.10/x
  3. Step 3: Cross multiply
    2,873.74x = 3,985.92 × 2,757.10
  4. Step 4: Simplify right side
    2,873.74x = 10,989,580.03
  5. Step 5: Solve for x
    x = 10,989,580.03/2,873.74
  6. Step 6: Final answer
    x = 3,824.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.