Home / 2,270.94-3,389.84-1,948.38

Finding the Fourth Proportional to 2,270.94, 3,389.84 and 1,948.38

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Solution

The fourth proportional to 2,270.94, 3,389.84 and 1,948.38 is: 2,908.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.94 : 3,389.84 = 1,948.38 : x
  2. Step 2: Convert to fraction form
    2,270.94/3,389.84 = 1,948.38/x
  3. Step 3: Cross multiply
    2,270.94x = 3,389.84 × 1,948.38
  4. Step 4: Simplify right side
    2,270.94x = 6,604,686.72
  5. Step 5: Solve for x
    x = 6,604,686.72/2,270.94
  6. Step 6: Final answer
    x = 2,908.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.