Home / 2,261.52-3,389.26-961.36

Finding the Fourth Proportional to 2,261.52, 3,389.26 and 961.36

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Solution

The fourth proportional to 2,261.52, 3,389.26 and 961.36 is: 1,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.52 : 3,389.26 = 961.36 : x
  2. Step 2: Convert to fraction form
    2,261.52/3,389.26 = 961.36/x
  3. Step 3: Cross multiply
    2,261.52x = 3,389.26 × 961.36
  4. Step 4: Simplify right side
    2,261.52x = 3,258,298.99
  5. Step 5: Solve for x
    x = 3,258,298.99/2,261.52
  6. Step 6: Final answer
    x = 1,440.76

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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.