Home / 3,891.60-5,837.58-1,294.74

Finding the Fourth Proportional to 3,891.60, 5,837.58 and 1,294.74

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Solution

The fourth proportional to 3,891.60, 5,837.58 and 1,294.74 is: 1,942.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891.60 : 5,837.58 = 1,294.74 : x
  2. Step 2: Convert to fraction form
    3,891.60/5,837.58 = 1,294.74/x
  3. Step 3: Cross multiply
    3,891.60x = 5,837.58 × 1,294.74
  4. Step 4: Simplify right side
    3,891.60x = 7,558,148.33
  5. Step 5: Solve for x
    x = 7,558,148.33/3,891.60
  6. Step 6: Final answer
    x = 1,942.17

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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.