Home / 2,975.96-4,106.68-1,631.56

Finding the Fourth Proportional to 2,975.96, 4,106.68 and 1,631.56

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Solution

The fourth proportional to 2,975.96, 4,106.68 and 1,631.56 is: 2,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.96 : 4,106.68 = 1,631.56 : x
  2. Step 2: Convert to fraction form
    2,975.96/4,106.68 = 1,631.56/x
  3. Step 3: Cross multiply
    2,975.96x = 4,106.68 × 1,631.56
  4. Step 4: Simplify right side
    2,975.96x = 6,700,294.82
  5. Step 5: Solve for x
    x = 6,700,294.82/2,975.96
  6. Step 6: Final answer
    x = 2,251.47

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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.