Home / 2,261.40-3,393.58-800.49

Finding the Fourth Proportional to 2,261.40, 3,393.58 and 800.49

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Solution

The fourth proportional to 2,261.40, 3,393.58 and 800.49 is: 1,201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.40 : 3,393.58 = 800.49 : x
  2. Step 2: Convert to fraction form
    2,261.40/3,393.58 = 800.49/x
  3. Step 3: Cross multiply
    2,261.40x = 3,393.58 × 800.49
  4. Step 4: Simplify right side
    2,261.40x = 2,716,526.85
  5. Step 5: Solve for x
    x = 2,716,526.85/2,261.40
  6. Step 6: Final answer
    x = 1,201.26

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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.