Home / 2,631.55-3,626.54-1,884.21

Finding the Fourth Proportional to 2,631.55, 3,626.54 and 1,884.21

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Solution

The fourth proportional to 2,631.55, 3,626.54 and 1,884.21 is: 2,596.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.55 : 3,626.54 = 1,884.21 : x
  2. Step 2: Convert to fraction form
    2,631.55/3,626.54 = 1,884.21/x
  3. Step 3: Cross multiply
    2,631.55x = 3,626.54 × 1,884.21
  4. Step 4: Simplify right side
    2,631.55x = 6,833,162.93
  5. Step 5: Solve for x
    x = 6,833,162.93/2,631.55
  6. Step 6: Final answer
    x = 2,596.63

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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.