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Finding the Fourth Proportional to 3,295.69, 4,548.13 and 1,969.15

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Solution

The fourth proportional to 3,295.69, 4,548.13 and 1,969.15 is: 2,717.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.69 : 4,548.13 = 1,969.15 : x
  2. Step 2: Convert to fraction form
    3,295.69/4,548.13 = 1,969.15/x
  3. Step 3: Cross multiply
    3,295.69x = 4,548.13 × 1,969.15
  4. Step 4: Simplify right side
    3,295.69x = 8,955,950.19
  5. Step 5: Solve for x
    x = 8,955,950.19/3,295.69
  6. Step 6: Final answer
    x = 2,717.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.