Home / 2,926.40-4,387.94-2,580.56

Finding the Fourth Proportional to 2,926.40, 4,387.94 and 2,580.56

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Solution

The fourth proportional to 2,926.40, 4,387.94 and 2,580.56 is: 3,869.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.40 : 4,387.94 = 2,580.56 : x
  2. Step 2: Convert to fraction form
    2,926.40/4,387.94 = 2,580.56/x
  3. Step 3: Cross multiply
    2,926.40x = 4,387.94 × 2,580.56
  4. Step 4: Simplify right side
    2,926.40x = 11,323,342.45
  5. Step 5: Solve for x
    x = 11,323,342.45/2,926.40
  6. Step 6: Final answer
    x = 3,869.38

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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.