Home / 3,617.75-5,426.52-1,152.51

Finding the Fourth Proportional to 3,617.75, 5,426.52 and 1,152.51

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Solution

The fourth proportional to 3,617.75, 5,426.52 and 1,152.51 is: 1,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.75 : 5,426.52 = 1,152.51 : x
  2. Step 2: Convert to fraction form
    3,617.75/5,426.52 = 1,152.51/x
  3. Step 3: Cross multiply
    3,617.75x = 5,426.52 × 1,152.51
  4. Step 4: Simplify right side
    3,617.75x = 6,254,118.57
  5. Step 5: Solve for x
    x = 6,254,118.57/3,617.75
  6. Step 6: Final answer
    x = 1,728.73

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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.