Home / 3,387.36-5,081.04-2,776.08

Finding the Fourth Proportional to 3,387.36, 5,081.04 and 2,776.08

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Solution

The fourth proportional to 3,387.36, 5,081.04 and 2,776.08 is: 4,164.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.36 : 5,081.04 = 2,776.08 : x
  2. Step 2: Convert to fraction form
    3,387.36/5,081.04 = 2,776.08/x
  3. Step 3: Cross multiply
    3,387.36x = 5,081.04 × 2,776.08
  4. Step 4: Simplify right side
    3,387.36x = 14,105,373.52
  5. Step 5: Solve for x
    x = 14,105,373.52/3,387.36
  6. Step 6: Final answer
    x = 4,164.12

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.