Home / 2,455.19-3,680.95-1,481.07

Finding the Fourth Proportional to 2,455.19, 3,680.95 and 1,481.07

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Solution

The fourth proportional to 2,455.19, 3,680.95 and 1,481.07 is: 2,220.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.19 : 3,680.95 = 1,481.07 : x
  2. Step 2: Convert to fraction form
    2,455.19/3,680.95 = 1,481.07/x
  3. Step 3: Cross multiply
    2,455.19x = 3,680.95 × 1,481.07
  4. Step 4: Simplify right side
    2,455.19x = 5,451,722.51
  5. Step 5: Solve for x
    x = 5,451,722.51/2,455.19
  6. Step 6: Final answer
    x = 2,220.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.