Home / 2,569.52-3,850.42-1,983.64

Finding the Fourth Proportional to 2,569.52, 3,850.42 and 1,983.64

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Solution

The fourth proportional to 2,569.52, 3,850.42 and 1,983.64 is: 2,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.52 : 3,850.42 = 1,983.64 : x
  2. Step 2: Convert to fraction form
    2,569.52/3,850.42 = 1,983.64/x
  3. Step 3: Cross multiply
    2,569.52x = 3,850.42 × 1,983.64
  4. Step 4: Simplify right side
    2,569.52x = 7,637,832.65
  5. Step 5: Solve for x
    x = 7,637,832.65/2,569.52
  6. Step 6: Final answer
    x = 2,972.47

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1.5x scale

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.