Home / 3,809.40-5,717.32-1,502.52

Finding the Fourth Proportional to 3,809.40, 5,717.32 and 1,502.52

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Solution

The fourth proportional to 3,809.40, 5,717.32 and 1,502.52 is: 2,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.40 : 5,717.32 = 1,502.52 : x
  2. Step 2: Convert to fraction form
    3,809.40/5,717.32 = 1,502.52/x
  3. Step 3: Cross multiply
    3,809.40x = 5,717.32 × 1,502.52
  4. Step 4: Simplify right side
    3,809.40x = 8,590,387.65
  5. Step 5: Solve for x
    x = 8,590,387.65/3,809.40
  6. Step 6: Final answer
    x = 2,255.05

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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.