Home / 3,815.40-5,726.32-1,508.52

Finding the Fourth Proportional to 3,815.40, 5,726.32 and 1,508.52

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Solution

The fourth proportional to 3,815.40, 5,726.32 and 1,508.52 is: 2,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.40 : 5,726.32 = 1,508.52 : x
  2. Step 2: Convert to fraction form
    3,815.40/5,726.32 = 1,508.52/x
  3. Step 3: Cross multiply
    3,815.40x = 5,726.32 × 1,508.52
  4. Step 4: Simplify right side
    3,815.40x = 8,638,268.25
  5. Step 5: Solve for x
    x = 8,638,268.25/3,815.40
  6. Step 6: Final answer
    x = 2,264.05

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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.