Home / 2,371.09-3,271.71-1,376.19

Finding the Fourth Proportional to 2,371.09, 3,271.71 and 1,376.19

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Solution

The fourth proportional to 2,371.09, 3,271.71 and 1,376.19 is: 1,898.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.09 : 3,271.71 = 1,376.19 : x
  2. Step 2: Convert to fraction form
    2,371.09/3,271.71 = 1,376.19/x
  3. Step 3: Cross multiply
    2,371.09x = 3,271.71 × 1,376.19
  4. Step 4: Simplify right side
    2,371.09x = 4,502,494.58
  5. Step 5: Solve for x
    x = 4,502,494.58/2,371.09
  6. Step 6: Final answer
    x = 1,898.91

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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.