Home / 2,458.60-3,685.66-1,226.38

Finding the Fourth Proportional to 2,458.60, 3,685.66 and 1,226.38

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Solution

The fourth proportional to 2,458.60, 3,685.66 and 1,226.38 is: 1,838.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.60 : 3,685.66 = 1,226.38 : x
  2. Step 2: Convert to fraction form
    2,458.60/3,685.66 = 1,226.38/x
  3. Step 3: Cross multiply
    2,458.60x = 3,685.66 × 1,226.38
  4. Step 4: Simplify right side
    2,458.60x = 4,520,035.06
  5. Step 5: Solve for x
    x = 4,520,035.06/2,458.60
  6. Step 6: Final answer
    x = 1,838.46

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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.