Home / 2,371.62-3,554.91-1,276.50

Finding the Fourth Proportional to 2,371.62, 3,554.91 and 1,276.50

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Solution

The fourth proportional to 2,371.62, 3,554.91 and 1,276.50 is: 1,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.62 : 3,554.91 = 1,276.50 : x
  2. Step 2: Convert to fraction form
    2,371.62/3,554.91 = 1,276.50/x
  3. Step 3: Cross multiply
    2,371.62x = 3,554.91 × 1,276.50
  4. Step 4: Simplify right side
    2,371.62x = 4,537,842.62
  5. Step 5: Solve for x
    x = 4,537,842.62/2,371.62
  6. Step 6: Final answer
    x = 1,913.39

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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.