Home / 3,135.35-4,326.64-1,877.11

Finding the Fourth Proportional to 3,135.35, 4,326.64 and 1,877.11

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Solution

The fourth proportional to 3,135.35, 4,326.64 and 1,877.11 is: 2,590.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.35 : 4,326.64 = 1,877.11 : x
  2. Step 2: Convert to fraction form
    3,135.35/4,326.64 = 1,877.11/x
  3. Step 3: Cross multiply
    3,135.35x = 4,326.64 × 1,877.11
  4. Step 4: Simplify right side
    3,135.35x = 8,121,563.70
  5. Step 5: Solve for x
    x = 8,121,563.70/3,135.35
  6. Step 6: Final answer
    x = 2,590.32

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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.