Home / 1,728.43-2,579.87-1,606.52

Finding the Fourth Proportional to 1,728.43, 2,579.87 and 1,606.52

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Solution

The fourth proportional to 1,728.43, 2,579.87 and 1,606.52 is: 2,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728.43 : 2,579.87 = 1,606.52 : x
  2. Step 2: Convert to fraction form
    1,728.43/2,579.87 = 1,606.52/x
  3. Step 3: Cross multiply
    1,728.43x = 2,579.87 × 1,606.52
  4. Step 4: Simplify right side
    1,728.43x = 4,144,612.75
  5. Step 5: Solve for x
    x = 4,144,612.75/1,728.43
  6. Step 6: Final answer
    x = 2,397.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.