Home / 2,456.87-3,685.84-1,157.63

Finding the Fourth Proportional to 2,456.87, 3,685.84 and 1,157.63

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Solution

The fourth proportional to 2,456.87, 3,685.84 and 1,157.63 is: 1,736.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.87 : 3,685.84 = 1,157.63 : x
  2. Step 2: Convert to fraction form
    2,456.87/3,685.84 = 1,157.63/x
  3. Step 3: Cross multiply
    2,456.87x = 3,685.84 × 1,157.63
  4. Step 4: Simplify right side
    2,456.87x = 4,266,817.64
  5. Step 5: Solve for x
    x = 4,266,817.64/2,456.87
  6. Step 6: Final answer
    x = 1,736.69

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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.