Home / 3,436.32-4,740.32-2,107.72

Finding the Fourth Proportional to 3,436.32, 4,740.32 and 2,107.72

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Solution

The fourth proportional to 3,436.32, 4,740.32 and 2,107.72 is: 2,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.32 : 4,740.32 = 2,107.72 : x
  2. Step 2: Convert to fraction form
    3,436.32/4,740.32 = 2,107.72/x
  3. Step 3: Cross multiply
    3,436.32x = 4,740.32 × 2,107.72
  4. Step 4: Simplify right side
    3,436.32x = 9,991,278.47
  5. Step 5: Solve for x
    x = 9,991,278.47/3,436.32
  6. Step 6: Final answer
    x = 2,907.55

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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.