Home / 3,364.08-4,642.46-1,947.76

Finding the Fourth Proportional to 3,364.08, 4,642.46 and 1,947.76

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Solution

The fourth proportional to 3,364.08, 4,642.46 and 1,947.76 is: 2,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.08 : 4,642.46 = 1,947.76 : x
  2. Step 2: Convert to fraction form
    3,364.08/4,642.46 = 1,947.76/x
  3. Step 3: Cross multiply
    3,364.08x = 4,642.46 × 1,947.76
  4. Step 4: Simplify right side
    3,364.08x = 9,042,397.89
  5. Step 5: Solve for x
    x = 9,042,397.89/3,364.08
  6. Step 6: Final answer
    x = 2,687.93

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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.