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Finding the Fourth Proportional to 3,890.07, 5,832.01 and 1,423.52

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Solution

The fourth proportional to 3,890.07, 5,832.01 and 1,423.52 is: 2,134.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.07 : 5,832.01 = 1,423.52 : x
  2. Step 2: Convert to fraction form
    3,890.07/5,832.01 = 1,423.52/x
  3. Step 3: Cross multiply
    3,890.07x = 5,832.01 × 1,423.52
  4. Step 4: Simplify right side
    3,890.07x = 8,301,950.16
  5. Step 5: Solve for x
    x = 8,301,950.16/3,890.07
  6. Step 6: Final answer
    x = 2,134.14

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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.