Home / 3,135.18-4,325.39-1,876.26

Finding the Fourth Proportional to 3,135.18, 4,325.39 and 1,876.26

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Solution

The fourth proportional to 3,135.18, 4,325.39 and 1,876.26 is: 2,588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.18 : 4,325.39 = 1,876.26 : x
  2. Step 2: Convert to fraction form
    3,135.18/4,325.39 = 1,876.26/x
  3. Step 3: Cross multiply
    3,135.18x = 4,325.39 × 1,876.26
  4. Step 4: Simplify right side
    3,135.18x = 8,115,546.86
  5. Step 5: Solve for x
    x = 8,115,546.86/3,135.18
  6. Step 6: Final answer
    x = 2,588.55

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1.5x scale

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.