Home / 3,403.92-4,693.32-2,647.92

Finding the Fourth Proportional to 3,403.92, 4,693.32 and 2,647.92

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Solution

The fourth proportional to 3,403.92, 4,693.32 and 2,647.92 is: 3,650.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.92 : 4,693.32 = 2,647.92 : x
  2. Step 2: Convert to fraction form
    3,403.92/4,693.32 = 2,647.92/x
  3. Step 3: Cross multiply
    3,403.92x = 4,693.32 × 2,647.92
  4. Step 4: Simplify right side
    3,403.92x = 12,427,535.89
  5. Step 5: Solve for x
    x = 12,427,535.89/3,403.92
  6. Step 6: Final answer
    x = 3,650.95

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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.