Home / 2,744.48-3,785.88-2,080.16

Finding the Fourth Proportional to 2,744.48, 3,785.88 and 2,080.16

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Solution

The fourth proportional to 2,744.48, 3,785.88 and 2,080.16 is: 2,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.48 : 3,785.88 = 2,080.16 : x
  2. Step 2: Convert to fraction form
    2,744.48/3,785.88 = 2,080.16/x
  3. Step 3: Cross multiply
    2,744.48x = 3,785.88 × 2,080.16
  4. Step 4: Simplify right side
    2,744.48x = 7,875,236.14
  5. Step 5: Solve for x
    x = 7,875,236.14/2,744.48
  6. Step 6: Final answer
    x = 2,869.48

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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.