Home / 3,926.90-5,888.50-1,152.86

Finding the Fourth Proportional to 3,926.90, 5,888.50 and 1,152.86

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Solution

The fourth proportional to 3,926.90, 5,888.50 and 1,152.86 is: 1,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.90 : 5,888.50 = 1,152.86 : x
  2. Step 2: Convert to fraction form
    3,926.90/5,888.50 = 1,152.86/x
  3. Step 3: Cross multiply
    3,926.90x = 5,888.50 × 1,152.86
  4. Step 4: Simplify right side
    3,926.90x = 6,788,616.11
  5. Step 5: Solve for x
    x = 6,788,616.11/3,926.90
  6. Step 6: Final answer
    x = 1,728.75

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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.