Home / 2,688.66-3,701.88-2,442.60

Finding the Fourth Proportional to 2,688.66, 3,701.88 and 2,442.60

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Solution

The fourth proportional to 2,688.66, 3,701.88 and 2,442.60 is: 3,363.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.66 : 3,701.88 = 2,442.60 : x
  2. Step 2: Convert to fraction form
    2,688.66/3,701.88 = 2,442.60/x
  3. Step 3: Cross multiply
    2,688.66x = 3,701.88 × 2,442.60
  4. Step 4: Simplify right side
    2,688.66x = 9,042,212.09
  5. Step 5: Solve for x
    x = 9,042,212.09/2,688.66
  6. Step 6: Final answer
    x = 3,363.09

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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.