Home / 2,722.64-3,756.99-1,839.63

Finding the Fourth Proportional to 2,722.64, 3,756.99 and 1,839.63

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Solution

The fourth proportional to 2,722.64, 3,756.99 and 1,839.63 is: 2,538.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.64 : 3,756.99 = 1,839.63 : x
  2. Step 2: Convert to fraction form
    2,722.64/3,756.99 = 1,839.63/x
  3. Step 3: Cross multiply
    2,722.64x = 3,756.99 × 1,839.63
  4. Step 4: Simplify right side
    2,722.64x = 6,911,471.51
  5. Step 5: Solve for x
    x = 6,911,471.51/2,722.64
  6. Step 6: Final answer
    x = 2,538.52

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Why These Related Problems?

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