Home / 2,746.35-3,788.51-2,082.11

Finding the Fourth Proportional to 2,746.35, 3,788.51 and 2,082.11

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Solution

The fourth proportional to 2,746.35, 3,788.51 and 2,082.11 is: 2,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.35 : 3,788.51 = 2,082.11 : x
  2. Step 2: Convert to fraction form
    2,746.35/3,788.51 = 2,082.11/x
  3. Step 3: Cross multiply
    2,746.35x = 3,788.51 × 2,082.11
  4. Step 4: Simplify right side
    2,746.35x = 7,888,065.20
  5. Step 5: Solve for x
    x = 7,888,065.20/2,746.35
  6. Step 6: Final answer
    x = 2,872.20

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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.