Home / 2,261.45-3,409.11-2,110.93

Finding the Fourth Proportional to 2,261.45, 3,409.11 and 2,110.93

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Solution

The fourth proportional to 2,261.45, 3,409.11 and 2,110.93 is: 3,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.45 : 3,409.11 = 2,110.93 : x
  2. Step 2: Convert to fraction form
    2,261.45/3,409.11 = 2,110.93/x
  3. Step 3: Cross multiply
    2,261.45x = 3,409.11 × 2,110.93
  4. Step 4: Simplify right side
    2,261.45x = 7,196,392.57
  5. Step 5: Solve for x
    x = 7,196,392.57/2,261.45
  6. Step 6: Final answer
    x = 3,182.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.