Home / 2,371.59-3,272.40-1,376.70

Finding the Fourth Proportional to 2,371.59, 3,272.40 and 1,376.70

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Solution

The fourth proportional to 2,371.59, 3,272.40 and 1,376.70 is: 1,899.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.59 : 3,272.40 = 1,376.70 : x
  2. Step 2: Convert to fraction form
    2,371.59/3,272.40 = 1,376.70/x
  3. Step 3: Cross multiply
    2,371.59x = 3,272.40 × 1,376.70
  4. Step 4: Simplify right side
    2,371.59x = 4,505,113.08
  5. Step 5: Solve for x
    x = 4,505,113.08/2,371.59
  6. Step 6: Final answer
    x = 1,899.62

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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.