Home / 2,480.07-3,422.49-1,376.07

Finding the Fourth Proportional to 2,480.07, 3,422.49 and 1,376.07

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Solution

The fourth proportional to 2,480.07, 3,422.49 and 1,376.07 is: 1,898.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.07 : 3,422.49 = 1,376.07 : x
  2. Step 2: Convert to fraction form
    2,480.07/3,422.49 = 1,376.07/x
  3. Step 3: Cross multiply
    2,480.07x = 3,422.49 × 1,376.07
  4. Step 4: Simplify right side
    2,480.07x = 4,709,585.81
  5. Step 5: Solve for x
    x = 4,709,585.81/2,480.07
  6. Step 6: Final answer
    x = 1,898.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.