Home / 2,927.07-4,392.81-2,149.11

Finding the Fourth Proportional to 2,927.07, 4,392.81 and 2,149.11

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Solution

The fourth proportional to 2,927.07, 4,392.81 and 2,149.11 is: 3,225.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.07 : 4,392.81 = 2,149.11 : x
  2. Step 2: Convert to fraction form
    2,927.07/4,392.81 = 2,149.11/x
  3. Step 3: Cross multiply
    2,927.07x = 4,392.81 × 2,149.11
  4. Step 4: Simplify right side
    2,927.07x = 9,440,631.90
  5. Step 5: Solve for x
    x = 9,440,631.90/2,927.07
  6. Step 6: Final answer
    x = 3,225.28

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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.