Home / 3,680.22-5,507.36-2,807.58

Finding the Fourth Proportional to 3,680.22, 5,507.36 and 2,807.58

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Solution

The fourth proportional to 3,680.22, 5,507.36 and 2,807.58 is: 4,201.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.22 : 5,507.36 = 2,807.58 : x
  2. Step 2: Convert to fraction form
    3,680.22/5,507.36 = 2,807.58/x
  3. Step 3: Cross multiply
    3,680.22x = 5,507.36 × 2,807.58
  4. Step 4: Simplify right side
    3,680.22x = 15,462,353.79
  5. Step 5: Solve for x
    x = 15,462,353.79/3,680.22
  6. Step 6: Final answer
    x = 4,201.48

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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.