Home / 2,312.46-3,467.98-1,521.79

Finding the Fourth Proportional to 2,312.46, 3,467.98 and 1,521.79

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Solution

The fourth proportional to 2,312.46, 3,467.98 and 1,521.79 is: 2,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.46 : 3,467.98 = 1,521.79 : x
  2. Step 2: Convert to fraction form
    2,312.46/3,467.98 = 1,521.79/x
  3. Step 3: Cross multiply
    2,312.46x = 3,467.98 × 1,521.79
  4. Step 4: Simplify right side
    2,312.46x = 5,277,537.28
  5. Step 5: Solve for x
    x = 5,277,537.28/2,312.46
  6. Step 6: Final answer
    x = 2,282.22

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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.