Home / 2,929.16-4,388.88-2,061.65

Finding the Fourth Proportional to 2,929.16, 4,388.88 and 2,061.65

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Solution

The fourth proportional to 2,929.16, 4,388.88 and 2,061.65 is: 3,089.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.16 : 4,388.88 = 2,061.65 : x
  2. Step 2: Convert to fraction form
    2,929.16/4,388.88 = 2,061.65/x
  3. Step 3: Cross multiply
    2,929.16x = 4,388.88 × 2,061.65
  4. Step 4: Simplify right side
    2,929.16x = 9,048,353.16
  5. Step 5: Solve for x
    x = 9,048,353.16/2,929.16
  6. Step 6: Final answer
    x = 3,089.06

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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.