Home / 3,159.46-4,351.89-2,925.91

Finding the Fourth Proportional to 3,159.46, 4,351.89 and 2,925.91

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Solution

The fourth proportional to 3,159.46, 4,351.89 and 2,925.91 is: 4,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.46 : 4,351.89 = 2,925.91 : x
  2. Step 2: Convert to fraction form
    3,159.46/4,351.89 = 2,925.91/x
  3. Step 3: Cross multiply
    3,159.46x = 4,351.89 × 2,925.91
  4. Step 4: Simplify right side
    3,159.46x = 12,733,238.47
  5. Step 5: Solve for x
    x = 12,733,238.47/3,159.46
  6. Step 6: Final answer
    x = 4,030.19

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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.