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Finding the Fourth Proportional to 2,888.72, 4,333.08 and 1,862

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Solution

The fourth proportional to 2,888.72, 4,333.08 and 1,862 is: 2,793

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.72 : 4,333.08 = 1,862 : x
  2. Step 2: Convert to fraction form
    2,888.72/4,333.08 = 1,862/x
  3. Step 3: Cross multiply
    2,888.72x = 4,333.08 × 1,862
  4. Step 4: Simplify right side
    2,888.72x = 8,068,194.96
  5. Step 5: Solve for x
    x = 8,068,194.96/2,888.72
  6. Step 6: Final answer
    x = 2,793

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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.