Home / 2,586.42-3,881.66-944.55

Finding the Fourth Proportional to 2,586.42, 3,881.66 and 944.55

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Solution

The fourth proportional to 2,586.42, 3,881.66 and 944.55 is: 1,417.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.42 : 3,881.66 = 944.55 : x
  2. Step 2: Convert to fraction form
    2,586.42/3,881.66 = 944.55/x
  3. Step 3: Cross multiply
    2,586.42x = 3,881.66 × 944.55
  4. Step 4: Simplify right side
    2,586.42x = 3,666,417.23
  5. Step 5: Solve for x
    x = 3,666,417.23/2,586.42
  6. Step 6: Final answer
    x = 1,417.56

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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.