Home / 3,378.38-4,651.84-3,061.58

Finding the Fourth Proportional to 3,378.38, 4,651.84 and 3,061.58

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Solution

The fourth proportional to 3,378.38, 4,651.84 and 3,061.58 is: 4,215.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.38 : 4,651.84 = 3,061.58 : x
  2. Step 2: Convert to fraction form
    3,378.38/4,651.84 = 3,061.58/x
  3. Step 3: Cross multiply
    3,378.38x = 4,651.84 × 3,061.58
  4. Step 4: Simplify right side
    3,378.38x = 14,241,980.31
  5. Step 5: Solve for x
    x = 14,241,980.31/3,378.38
  6. Step 6: Final answer
    x = 4,215.62

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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.