Home / 3,135.15-4,326.48-1,737.90

Finding the Fourth Proportional to 3,135.15, 4,326.48 and 1,737.90

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Solution

The fourth proportional to 3,135.15, 4,326.48 and 1,737.90 is: 2,398.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.15 : 4,326.48 = 1,737.90 : x
  2. Step 2: Convert to fraction form
    3,135.15/4,326.48 = 1,737.90/x
  3. Step 3: Cross multiply
    3,135.15x = 4,326.48 × 1,737.90
  4. Step 4: Simplify right side
    3,135.15x = 7,518,989.59
  5. Step 5: Solve for x
    x = 7,518,989.59/3,135.15
  6. Step 6: Final answer
    x = 2,398.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.