Home / 2,935.05-4,402.66-987.27

Finding the Fourth Proportional to 2,935.05, 4,402.66 and 987.27

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Solution

The fourth proportional to 2,935.05, 4,402.66 and 987.27 is: 1,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.05 : 4,402.66 = 987.27 : x
  2. Step 2: Convert to fraction form
    2,935.05/4,402.66 = 987.27/x
  3. Step 3: Cross multiply
    2,935.05x = 4,402.66 × 987.27
  4. Step 4: Simplify right side
    2,935.05x = 4,346,614.14
  5. Step 5: Solve for x
    x = 4,346,614.14/2,935.05
  6. Step 6: Final answer
    x = 1,480.93

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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.