Home / 2,621.06-3,929.16-2,476.08

Finding the Fourth Proportional to 2,621.06, 3,929.16 and 2,476.08

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Solution

The fourth proportional to 2,621.06, 3,929.16 and 2,476.08 is: 3,711.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.06 : 3,929.16 = 2,476.08 : x
  2. Step 2: Convert to fraction form
    2,621.06/3,929.16 = 2,476.08/x
  3. Step 3: Cross multiply
    2,621.06x = 3,929.16 × 2,476.08
  4. Step 4: Simplify right side
    2,621.06x = 9,728,914.49
  5. Step 5: Solve for x
    x = 9,728,914.49/2,621.06
  6. Step 6: Final answer
    x = 3,711.82

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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.