Home / 3,047.32-4,204.46-1,928.74

Finding the Fourth Proportional to 3,047.32, 4,204.46 and 1,928.74

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Solution

The fourth proportional to 3,047.32, 4,204.46 and 1,928.74 is: 2,661.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.32 : 4,204.46 = 1,928.74 : x
  2. Step 2: Convert to fraction form
    3,047.32/4,204.46 = 1,928.74/x
  3. Step 3: Cross multiply
    3,047.32x = 4,204.46 × 1,928.74
  4. Step 4: Simplify right side
    3,047.32x = 8,109,289.70
  5. Step 5: Solve for x
    x = 8,109,289.70/3,047.32
  6. Step 6: Final answer
    x = 2,661.12

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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.