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Finding the Fourth Proportional to 1,888.55, 2,833.11 and 589.71

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Solution

The fourth proportional to 1,888.55, 2,833.11 and 589.71 is: 884.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.55 : 2,833.11 = 589.71 : x
  2. Step 2: Convert to fraction form
    1,888.55/2,833.11 = 589.71/x
  3. Step 3: Cross multiply
    1,888.55x = 2,833.11 × 589.71
  4. Step 4: Simplify right side
    1,888.55x = 1,670,713.30
  5. Step 5: Solve for x
    x = 1,670,713.30/1,888.55
  6. Step 6: Final answer
    x = 884.66

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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.