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Finding the Fourth Proportional to 2,794.79, 4,174.32 and 2,530.86

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Solution

The fourth proportional to 2,794.79, 4,174.32 and 2,530.86 is: 3,780.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.79 : 4,174.32 = 2,530.86 : x
  2. Step 2: Convert to fraction form
    2,794.79/4,174.32 = 2,530.86/x
  3. Step 3: Cross multiply
    2,794.79x = 4,174.32 × 2,530.86
  4. Step 4: Simplify right side
    2,794.79x = 10,564,619.52
  5. Step 5: Solve for x
    x = 10,564,619.52/2,794.79
  6. Step 6: Final answer
    x = 3,780.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.