Home / 2,502.23-3,758.54-1,985.87

Finding the Fourth Proportional to 2,502.23, 3,758.54 and 1,985.87

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Solution

The fourth proportional to 2,502.23, 3,758.54 and 1,985.87 is: 2,982.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,502.23 : 3,758.54 = 1,985.87 : x
  2. Step 2: Convert to fraction form
    2,502.23/3,758.54 = 1,985.87/x
  3. Step 3: Cross multiply
    2,502.23x = 3,758.54 × 1,985.87
  4. Step 4: Simplify right side
    2,502.23x = 7,463,961.90
  5. Step 5: Solve for x
    x = 7,463,961.90/2,502.23
  6. Step 6: Final answer
    x = 2,982.92

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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.