Home / 3,445.68-5,167.32-1,864.08

Finding the Fourth Proportional to 3,445.68, 5,167.32 and 1,864.08

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Solution

The fourth proportional to 3,445.68, 5,167.32 and 1,864.08 is: 2,795.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.68 : 5,167.32 = 1,864.08 : x
  2. Step 2: Convert to fraction form
    3,445.68/5,167.32 = 1,864.08/x
  3. Step 3: Cross multiply
    3,445.68x = 5,167.32 × 1,864.08
  4. Step 4: Simplify right side
    3,445.68x = 9,632,297.87
  5. Step 5: Solve for x
    x = 9,632,297.87/3,445.68
  6. Step 6: Final answer
    x = 2,795.47

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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.