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Finding the Fourth Proportional to 1,888.32, 2,832.88 and 589.76

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Solution

The fourth proportional to 1,888.32, 2,832.88 and 589.76 is: 884.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.32 : 2,832.88 = 589.76 : x
  2. Step 2: Convert to fraction form
    1,888.32/2,832.88 = 589.76/x
  3. Step 3: Cross multiply
    1,888.32x = 2,832.88 × 589.76
  4. Step 4: Simplify right side
    1,888.32x = 1,670,719.31
  5. Step 5: Solve for x
    x = 1,670,719.31/1,888.32
  6. Step 6: Final answer
    x = 884.76

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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.