Home / 2,024.43-2,787.26-1,728.51

Finding the Fourth Proportional to 2,024.43, 2,787.26 and 1,728.51

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Solution

The fourth proportional to 2,024.43, 2,787.26 and 1,728.51 is: 2,379.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,024.43 : 2,787.26 = 1,728.51 : x
  2. Step 2: Convert to fraction form
    2,024.43/2,787.26 = 1,728.51/x
  3. Step 3: Cross multiply
    2,024.43x = 2,787.26 × 1,728.51
  4. Step 4: Simplify right side
    2,024.43x = 4,817,798.14
  5. Step 5: Solve for x
    x = 4,817,798.14/2,024.43
  6. Step 6: Final answer
    x = 2,379.83

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1.5x scale

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.