Home / 3,655.23-5,480.29-1,574.61

Finding the Fourth Proportional to 3,655.23, 5,480.29 and 1,574.61

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Solution

The fourth proportional to 3,655.23, 5,480.29 and 1,574.61 is: 2,360.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.23 : 5,480.29 = 1,574.61 : x
  2. Step 2: Convert to fraction form
    3,655.23/5,480.29 = 1,574.61/x
  3. Step 3: Cross multiply
    3,655.23x = 5,480.29 × 1,574.61
  4. Step 4: Simplify right side
    3,655.23x = 8,629,319.44
  5. Step 5: Solve for x
    x = 8,629,319.44/3,655.23
  6. Step 6: Final answer
    x = 2,360.81

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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.