Home / 3,511.15-4,851.80-3,340.31

Finding the Fourth Proportional to 3,511.15, 4,851.80 and 3,340.31

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Solution

The fourth proportional to 3,511.15, 4,851.80 and 3,340.31 is: 4,615.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.15 : 4,851.80 = 3,340.31 : x
  2. Step 2: Convert to fraction form
    3,511.15/4,851.80 = 3,340.31/x
  3. Step 3: Cross multiply
    3,511.15x = 4,851.80 × 3,340.31
  4. Step 4: Simplify right side
    3,511.15x = 16,206,487.62
  5. Step 5: Solve for x
    x = 16,206,487.62/3,511.15
  6. Step 6: Final answer
    x = 4,615.72

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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.