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Finding the Fourth Proportional to 3,295.92, 4,943.36 and 1,215.63

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Solution

The fourth proportional to 3,295.92, 4,943.36 and 1,215.63 is: 1,823.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.92 : 4,943.36 = 1,215.63 : x
  2. Step 2: Convert to fraction form
    3,295.92/4,943.36 = 1,215.63/x
  3. Step 3: Cross multiply
    3,295.92x = 4,943.36 × 1,215.63
  4. Step 4: Simplify right side
    3,295.92x = 6,009,290.64
  5. Step 5: Solve for x
    x = 6,009,290.64/3,295.92
  6. Step 6: Final answer
    x = 1,823.25

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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.