Home / 3,376.51-5,063.55-1,428.85

Finding the Fourth Proportional to 3,376.51, 5,063.55 and 1,428.85

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Solution

The fourth proportional to 3,376.51, 5,063.55 and 1,428.85 is: 2,142.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.51 : 5,063.55 = 1,428.85 : x
  2. Step 2: Convert to fraction form
    3,376.51/5,063.55 = 1,428.85/x
  3. Step 3: Cross multiply
    3,376.51x = 5,063.55 × 1,428.85
  4. Step 4: Simplify right side
    3,376.51x = 7,235,053.42
  5. Step 5: Solve for x
    x = 7,235,053.42/3,376.51
  6. Step 6: Final answer
    x = 2,142.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.