Home / 3,157.29-4,743.63-2,235.51

Finding the Fourth Proportional to 3,157.29, 4,743.63 and 2,235.51

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Solution

The fourth proportional to 3,157.29, 4,743.63 and 2,235.51 is: 3,358.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.29 : 4,743.63 = 2,235.51 : x
  2. Step 2: Convert to fraction form
    3,157.29/4,743.63 = 2,235.51/x
  3. Step 3: Cross multiply
    3,157.29x = 4,743.63 × 2,235.51
  4. Step 4: Simplify right side
    3,157.29x = 10,604,432.30
  5. Step 5: Solve for x
    x = 10,604,432.30/3,157.29
  6. Step 6: Final answer
    x = 3,358.71

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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.