Home / 2,647.74-3,630.66-2,555.04

Finding the Fourth Proportional to 2,647.74, 3,630.66 and 2,555.04

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Solution

The fourth proportional to 2,647.74, 3,630.66 and 2,555.04 is: 3,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.74 : 3,630.66 = 2,555.04 : x
  2. Step 2: Convert to fraction form
    2,647.74/3,630.66 = 2,555.04/x
  3. Step 3: Cross multiply
    2,647.74x = 3,630.66 × 2,555.04
  4. Step 4: Simplify right side
    2,647.74x = 9,276,481.53
  5. Step 5: Solve for x
    x = 9,276,481.53/2,647.74
  6. Step 6: Final answer
    x = 3,503.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.