Home / 2,585.23-3,877.86-941.78

Finding the Fourth Proportional to 2,585.23, 3,877.86 and 941.78

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Solution

The fourth proportional to 2,585.23, 3,877.86 and 941.78 is: 1,412.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.23 : 3,877.86 = 941.78 : x
  2. Step 2: Convert to fraction form
    2,585.23/3,877.86 = 941.78/x
  3. Step 3: Cross multiply
    2,585.23x = 3,877.86 × 941.78
  4. Step 4: Simplify right side
    2,585.23x = 3,652,090.66
  5. Step 5: Solve for x
    x = 3,652,090.66/2,585.23
  6. Step 6: Final answer
    x = 1,412.67

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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.