Home / 2,929.80-4,398.34-2,813.16

Finding the Fourth Proportional to 2,929.80, 4,398.34 and 2,813.16

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Solution

The fourth proportional to 2,929.80, 4,398.34 and 2,813.16 is: 4,223.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.80 : 4,398.34 = 2,813.16 : x
  2. Step 2: Convert to fraction form
    2,929.80/4,398.34 = 2,813.16/x
  3. Step 3: Cross multiply
    2,929.80x = 4,398.34 × 2,813.16
  4. Step 4: Simplify right side
    2,929.80x = 12,373,234.15
  5. Step 5: Solve for x
    x = 12,373,234.15/2,929.80
  6. Step 6: Final answer
    x = 4,223.24

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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.