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Finding the Fourth Proportional to 3,010.79, 4,516.76 and 930.71

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Solution

The fourth proportional to 3,010.79, 4,516.76 and 930.71 is: 1,396.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.79 : 4,516.76 = 930.71 : x
  2. Step 2: Convert to fraction form
    3,010.79/4,516.76 = 930.71/x
  3. Step 3: Cross multiply
    3,010.79x = 4,516.76 × 930.71
  4. Step 4: Simplify right side
    3,010.79x = 4,203,793.70
  5. Step 5: Solve for x
    x = 4,203,793.70/3,010.79
  6. Step 6: Final answer
    x = 1,396.24

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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.