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Finding the Fourth Proportional to 1,297.03, 1,943.23 and 833.66

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Solution

The fourth proportional to 1,297.03, 1,943.23 and 833.66 is: 1,249.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297.03 : 1,943.23 = 833.66 : x
  2. Step 2: Convert to fraction form
    1,297.03/1,943.23 = 833.66/x
  3. Step 3: Cross multiply
    1,297.03x = 1,943.23 × 833.66
  4. Step 4: Simplify right side
    1,297.03x = 1,619,993.12
  5. Step 5: Solve for x
    x = 1,619,993.12/1,297.03
  6. Step 6: Final answer
    x = 1,249.00

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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.