Home / 2,635.14-3,953.28-761.02

Finding the Fourth Proportional to 2,635.14, 3,953.28 and 761.02

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Solution

The fourth proportional to 2,635.14, 3,953.28 and 761.02 is: 1,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.14 : 3,953.28 = 761.02 : x
  2. Step 2: Convert to fraction form
    2,635.14/3,953.28 = 761.02/x
  3. Step 3: Cross multiply
    2,635.14x = 3,953.28 × 761.02
  4. Step 4: Simplify right side
    2,635.14x = 3,008,515.26
  5. Step 5: Solve for x
    x = 3,008,515.26/2,635.14
  6. Step 6: Final answer
    x = 1,141.69

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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.