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Finding the Fourth Proportional to 3,950.72, 5,925.50 and 1,176.87

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Solution

The fourth proportional to 3,950.72, 5,925.50 and 1,176.87 is: 1,765.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.72 : 5,925.50 = 1,176.87 : x
  2. Step 2: Convert to fraction form
    3,950.72/5,925.50 = 1,176.87/x
  3. Step 3: Cross multiply
    3,950.72x = 5,925.50 × 1,176.87
  4. Step 4: Simplify right side
    3,950.72x = 6,973,543.19
  5. Step 5: Solve for x
    x = 6,973,543.19/3,950.72
  6. Step 6: Final answer
    x = 1,765.13

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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.