Home / 2,748.87-4,116.47-1,923.28

Finding the Fourth Proportional to 2,748.87, 4,116.47 and 1,923.28

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Solution

The fourth proportional to 2,748.87, 4,116.47 and 1,923.28 is: 2,880.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.87 : 4,116.47 = 1,923.28 : x
  2. Step 2: Convert to fraction form
    2,748.87/4,116.47 = 1,923.28/x
  3. Step 3: Cross multiply
    2,748.87x = 4,116.47 × 1,923.28
  4. Step 4: Simplify right side
    2,748.87x = 7,917,137.98
  5. Step 5: Solve for x
    x = 7,917,137.98/2,748.87
  6. Step 6: Final answer
    x = 2,880.14

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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.