Home / 3,681.16-5,080.08-2,354.56

Finding the Fourth Proportional to 3,681.16, 5,080.08 and 2,354.56

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Solution

The fourth proportional to 3,681.16, 5,080.08 and 2,354.56 is: 3,249.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.16 : 5,080.08 = 2,354.56 : x
  2. Step 2: Convert to fraction form
    3,681.16/5,080.08 = 2,354.56/x
  3. Step 3: Cross multiply
    3,681.16x = 5,080.08 × 2,354.56
  4. Step 4: Simplify right side
    3,681.16x = 11,961,353.16
  5. Step 5: Solve for x
    x = 11,961,353.16/3,681.16
  6. Step 6: Final answer
    x = 3,249.34

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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.