Home / 1,721.05-2,574.28-1,167.01

Finding the Fourth Proportional to 1,721.05, 2,574.28 and 1,167.01

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Solution

The fourth proportional to 1,721.05, 2,574.28 and 1,167.01 is: 1,745.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721.05 : 2,574.28 = 1,167.01 : x
  2. Step 2: Convert to fraction form
    1,721.05/2,574.28 = 1,167.01/x
  3. Step 3: Cross multiply
    1,721.05x = 2,574.28 × 1,167.01
  4. Step 4: Simplify right side
    1,721.05x = 3,004,205.53
  5. Step 5: Solve for x
    x = 3,004,205.53/1,721.05
  6. Step 6: Final answer
    x = 1,745.57

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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.