Home / 3,364.47-4,643.55-1,947.96

Finding the Fourth Proportional to 3,364.47, 4,643.55 and 1,947.96

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Solution

The fourth proportional to 3,364.47, 4,643.55 and 1,947.96 is: 2,688.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.47 : 4,643.55 = 1,947.96 : x
  2. Step 2: Convert to fraction form
    3,364.47/4,643.55 = 1,947.96/x
  3. Step 3: Cross multiply
    3,364.47x = 4,643.55 × 1,947.96
  4. Step 4: Simplify right side
    3,364.47x = 9,045,449.66
  5. Step 5: Solve for x
    x = 9,045,449.66/3,364.47
  6. Step 6: Final answer
    x = 2,688.52

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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.