Home / 1,721.95-2,576.75-1,491.62

Finding the Fourth Proportional to 1,721.95, 2,576.75 and 1,491.62

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Solution

The fourth proportional to 1,721.95, 2,576.75 and 1,491.62 is: 2,232.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721.95 : 2,576.75 = 1,491.62 : x
  2. Step 2: Convert to fraction form
    1,721.95/2,576.75 = 1,491.62/x
  3. Step 3: Cross multiply
    1,721.95x = 2,576.75 × 1,491.62
  4. Step 4: Simplify right side
    1,721.95x = 3,843,511.49
  5. Step 5: Solve for x
    x = 3,843,511.49/1,721.95
  6. Step 6: Final answer
    x = 2,232.07

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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.