Home / 1,960.28-2,704.01-1,296.89

Finding the Fourth Proportional to 1,960.28, 2,704.01 and 1,296.89

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Solution

The fourth proportional to 1,960.28, 2,704.01 and 1,296.89 is: 1,788.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.28 : 2,704.01 = 1,296.89 : x
  2. Step 2: Convert to fraction form
    1,960.28/2,704.01 = 1,296.89/x
  3. Step 3: Cross multiply
    1,960.28x = 2,704.01 × 1,296.89
  4. Step 4: Simplify right side
    1,960.28x = 3,506,803.53
  5. Step 5: Solve for x
    x = 3,506,803.53/1,960.28
  6. Step 6: Final answer
    x = 1,788.93

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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.