Home / 3,394.08-4,685.46-2,135.75

Finding the Fourth Proportional to 3,394.08, 4,685.46 and 2,135.75

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Solution

The fourth proportional to 3,394.08, 4,685.46 and 2,135.75 is: 2,948.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.08 : 4,685.46 = 2,135.75 : x
  2. Step 2: Convert to fraction form
    3,394.08/4,685.46 = 2,135.75/x
  3. Step 3: Cross multiply
    3,394.08x = 4,685.46 × 2,135.75
  4. Step 4: Simplify right side
    3,394.08x = 10,006,947.77
  5. Step 5: Solve for x
    x = 10,006,947.77/3,394.08
  6. Step 6: Final answer
    x = 2,948.35

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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.