Home / 2,839.32-3,918.22-1,660.16

Finding the Fourth Proportional to 2,839.32, 3,918.22 and 1,660.16

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Solution

The fourth proportional to 2,839.32, 3,918.22 and 1,660.16 is: 2,291.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.32 : 3,918.22 = 1,660.16 : x
  2. Step 2: Convert to fraction form
    2,839.32/3,918.22 = 1,660.16/x
  3. Step 3: Cross multiply
    2,839.32x = 3,918.22 × 1,660.16
  4. Step 4: Simplify right side
    2,839.32x = 6,504,872.12
  5. Step 5: Solve for x
    x = 6,504,872.12/2,839.32
  6. Step 6: Final answer
    x = 2,291.00

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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.