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Finding the Fourth Proportional to 1,888.38, 2,837.16 and 1,837.62

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Solution

The fourth proportional to 1,888.38, 2,837.16 and 1,837.62 is: 2,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.38 : 2,837.16 = 1,837.62 : x
  2. Step 2: Convert to fraction form
    1,888.38/2,837.16 = 1,837.62/x
  3. Step 3: Cross multiply
    1,888.38x = 2,837.16 × 1,837.62
  4. Step 4: Simplify right side
    1,888.38x = 5,213,621.96
  5. Step 5: Solve for x
    x = 5,213,621.96/1,888.38
  6. Step 6: Final answer
    x = 2,760.90

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1.5x scale

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.