Home / 2,683.92-4,027.56-1,851.72

Finding the Fourth Proportional to 2,683.92, 4,027.56 and 1,851.72

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Solution

The fourth proportional to 2,683.92, 4,027.56 and 1,851.72 is: 2,778.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.92 : 4,027.56 = 1,851.72 : x
  2. Step 2: Convert to fraction form
    2,683.92/4,027.56 = 1,851.72/x
  3. Step 3: Cross multiply
    2,683.92x = 4,027.56 × 1,851.72
  4. Step 4: Simplify right side
    2,683.92x = 7,457,913.40
  5. Step 5: Solve for x
    x = 7,457,913.40/2,683.92
  6. Step 6: Final answer
    x = 2,778.74

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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.