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Finding the Fourth Proportional to 2,877.93, 4,316.39 and 903.35

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Solution

The fourth proportional to 2,877.93, 4,316.39 and 903.35 is: 1,354.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.93 : 4,316.39 = 903.35 : x
  2. Step 2: Convert to fraction form
    2,877.93/4,316.39 = 903.35/x
  3. Step 3: Cross multiply
    2,877.93x = 4,316.39 × 903.35
  4. Step 4: Simplify right side
    2,877.93x = 3,899,220.57
  5. Step 5: Solve for x
    x = 3,899,220.57/2,877.93
  6. Step 6: Final answer
    x = 1,354.87

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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.