Home / 1,765.36-2,436.12-968.67

Finding the Fourth Proportional to 1,765.36, 2,436.12 and 968.67

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Solution

The fourth proportional to 1,765.36, 2,436.12 and 968.67 is: 1,336.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.36 : 2,436.12 = 968.67 : x
  2. Step 2: Convert to fraction form
    1,765.36/2,436.12 = 968.67/x
  3. Step 3: Cross multiply
    1,765.36x = 2,436.12 × 968.67
  4. Step 4: Simplify right side
    1,765.36x = 2,359,791.57
  5. Step 5: Solve for x
    x = 2,359,791.57/1,765.36
  6. Step 6: Final answer
    x = 1,336.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.