Home / 1,983.15-2,974.77-522.27

Finding the Fourth Proportional to 1,983.15, 2,974.77 and 522.27

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Solution

The fourth proportional to 1,983.15, 2,974.77 and 522.27 is: 783.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.15 : 2,974.77 = 522.27 : x
  2. Step 2: Convert to fraction form
    1,983.15/2,974.77 = 522.27/x
  3. Step 3: Cross multiply
    1,983.15x = 2,974.77 × 522.27
  4. Step 4: Simplify right side
    1,983.15x = 1,553,633.13
  5. Step 5: Solve for x
    x = 1,553,633.13/1,983.15
  6. Step 6: Final answer
    x = 783.42

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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.