Home / 2,458.41-3,685.38-1,226.20

Finding the Fourth Proportional to 2,458.41, 3,685.38 and 1,226.20

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Solution

The fourth proportional to 2,458.41, 3,685.38 and 1,226.20 is: 1,838.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.41 : 3,685.38 = 1,226.20 : x
  2. Step 2: Convert to fraction form
    2,458.41/3,685.38 = 1,226.20/x
  3. Step 3: Cross multiply
    2,458.41x = 3,685.38 × 1,226.20
  4. Step 4: Simplify right side
    2,458.41x = 4,518,999.13
  5. Step 5: Solve for x
    x = 4,518,999.13/2,458.41
  6. Step 6: Final answer
    x = 1,838.18

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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.