Home / 3,686.12-5,530.18-1,346.34

Finding the Fourth Proportional to 3,686.12, 5,530.18 and 1,346.34

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Solution

The fourth proportional to 3,686.12, 5,530.18 and 1,346.34 is: 2,019.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.12 : 5,530.18 = 1,346.34 : x
  2. Step 2: Convert to fraction form
    3,686.12/5,530.18 = 1,346.34/x
  3. Step 3: Cross multiply
    3,686.12x = 5,530.18 × 1,346.34
  4. Step 4: Simplify right side
    3,686.12x = 7,445,502.54
  5. Step 5: Solve for x
    x = 7,445,502.54/3,686.12
  6. Step 6: Final answer
    x = 2,019.88

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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.