Home / 1,765.18-2,436.01-968.45

Finding the Fourth Proportional to 1,765.18, 2,436.01 and 968.45

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Solution

The fourth proportional to 1,765.18, 2,436.01 and 968.45 is: 1,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.18 : 2,436.01 = 968.45 : x
  2. Step 2: Convert to fraction form
    1,765.18/2,436.01 = 968.45/x
  3. Step 3: Cross multiply
    1,765.18x = 2,436.01 × 968.45
  4. Step 4: Simplify right side
    1,765.18x = 2,359,151.46
  5. Step 5: Solve for x
    x = 2,359,151.46/1,765.18
  6. Step 6: Final answer
    x = 1,336.50

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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.