Home / 3,141.81-4,337.12-2,302.56

Finding the Fourth Proportional to 3,141.81, 4,337.12 and 2,302.56

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Solution

The fourth proportional to 3,141.81, 4,337.12 and 2,302.56 is: 3,178.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.81 : 4,337.12 = 2,302.56 : x
  2. Step 2: Convert to fraction form
    3,141.81/4,337.12 = 2,302.56/x
  3. Step 3: Cross multiply
    3,141.81x = 4,337.12 × 2,302.56
  4. Step 4: Simplify right side
    3,141.81x = 9,986,484.78
  5. Step 5: Solve for x
    x = 9,986,484.78/3,141.81
  6. Step 6: Final answer
    x = 3,178.58

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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.