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Finding the Fourth Proportional to 3,070.66, 4,608.42 and 1,340.50

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Solution

The fourth proportional to 3,070.66, 4,608.42 and 1,340.50 is: 2,011.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.66 : 4,608.42 = 1,340.50 : x
  2. Step 2: Convert to fraction form
    3,070.66/4,608.42 = 1,340.50/x
  3. Step 3: Cross multiply
    3,070.66x = 4,608.42 × 1,340.50
  4. Step 4: Simplify right side
    3,070.66x = 6,177,587.01
  5. Step 5: Solve for x
    x = 6,177,587.01/3,070.66
  6. Step 6: Final answer
    x = 2,011.81

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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.