Home / 2,824.76-4,231.76-1,947.74

Finding the Fourth Proportional to 2,824.76, 4,231.76 and 1,947.74

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Solution

The fourth proportional to 2,824.76, 4,231.76 and 1,947.74 is: 2,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.76 : 4,231.76 = 1,947.74 : x
  2. Step 2: Convert to fraction form
    2,824.76/4,231.76 = 1,947.74/x
  3. Step 3: Cross multiply
    2,824.76x = 4,231.76 × 1,947.74
  4. Step 4: Simplify right side
    2,824.76x = 8,242,368.22
  5. Step 5: Solve for x
    x = 8,242,368.22/2,824.76
  6. Step 6: Final answer
    x = 2,917.90

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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.