Home / 3,145.98-4,340.79-1,748.70

Finding the Fourth Proportional to 3,145.98, 4,340.79 and 1,748.70

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Solution

The fourth proportional to 3,145.98, 4,340.79 and 1,748.70 is: 2,412.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.98 : 4,340.79 = 1,748.70 : x
  2. Step 2: Convert to fraction form
    3,145.98/4,340.79 = 1,748.70/x
  3. Step 3: Cross multiply
    3,145.98x = 4,340.79 × 1,748.70
  4. Step 4: Simplify right side
    3,145.98x = 7,590,739.47
  5. Step 5: Solve for x
    x = 7,590,739.47/3,145.98
  6. Step 6: Final answer
    x = 2,412.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.