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Finding the Fourth Proportional to 3,950.14, 5,920.07 and 1,607.42

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Solution

The fourth proportional to 3,950.14, 5,920.07 and 1,607.42 is: 2,409.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.14 : 5,920.07 = 1,607.42 : x
  2. Step 2: Convert to fraction form
    3,950.14/5,920.07 = 1,607.42/x
  3. Step 3: Cross multiply
    3,950.14x = 5,920.07 × 1,607.42
  4. Step 4: Simplify right side
    3,950.14x = 9,516,038.92
  5. Step 5: Solve for x
    x = 9,516,038.92/3,950.14
  6. Step 6: Final answer
    x = 2,409.04

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1.5x scale

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.