Home / 1,721.48-2,371.95-1,579.93

Finding the Fourth Proportional to 1,721.48, 2,371.95 and 1,579.93

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Solution

The fourth proportional to 1,721.48, 2,371.95 and 1,579.93 is: 2,176.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721.48 : 2,371.95 = 1,579.93 : x
  2. Step 2: Convert to fraction form
    1,721.48/2,371.95 = 1,579.93/x
  3. Step 3: Cross multiply
    1,721.48x = 2,371.95 × 1,579.93
  4. Step 4: Simplify right side
    1,721.48x = 3,747,509.03
  5. Step 5: Solve for x
    x = 3,747,509.03/1,721.48
  6. Step 6: Final answer
    x = 2,176.92

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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.