Home / 1,795.47-2,687.58-1,245.98

Finding the Fourth Proportional to 1,795.47, 2,687.58 and 1,245.98

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Solution

The fourth proportional to 1,795.47, 2,687.58 and 1,245.98 is: 1,865.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.47 : 2,687.58 = 1,245.98 : x
  2. Step 2: Convert to fraction form
    1,795.47/2,687.58 = 1,245.98/x
  3. Step 3: Cross multiply
    1,795.47x = 2,687.58 × 1,245.98
  4. Step 4: Simplify right side
    1,795.47x = 3,348,677.65
  5. Step 5: Solve for x
    x = 3,348,677.65/1,795.47
  6. Step 6: Final answer
    x = 1,865.07

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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.