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Finding the Fourth Proportional to 1,888.10, 2,832.53 and 571.94

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Solution

The fourth proportional to 1,888.10, 2,832.53 and 571.94 is: 858.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.10 : 2,832.53 = 571.94 : x
  2. Step 2: Convert to fraction form
    1,888.10/2,832.53 = 571.94/x
  3. Step 3: Cross multiply
    1,888.10x = 2,832.53 × 571.94
  4. Step 4: Simplify right side
    1,888.10x = 1,620,020.19
  5. Step 5: Solve for x
    x = 1,620,020.19/1,888.10
  6. Step 6: Final answer
    x = 858.02

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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.