Home / 2,877.26-4,316.44-928.94

Finding the Fourth Proportional to 2,877.26, 4,316.44 and 928.94

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Solution

The fourth proportional to 2,877.26, 4,316.44 and 928.94 is: 1,393.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.26 : 4,316.44 = 928.94 : x
  2. Step 2: Convert to fraction form
    2,877.26/4,316.44 = 928.94/x
  3. Step 3: Cross multiply
    2,877.26x = 4,316.44 × 928.94
  4. Step 4: Simplify right side
    2,877.26x = 4,009,713.77
  5. Step 5: Solve for x
    x = 4,009,713.77/2,877.26
  6. Step 6: Final answer
    x = 1,393.59

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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.