Home / 2,569.16-3,853.44-720.41

Finding the Fourth Proportional to 2,569.16, 3,853.44 and 720.41

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Solution

The fourth proportional to 2,569.16, 3,853.44 and 720.41 is: 1,080.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.16 : 3,853.44 = 720.41 : x
  2. Step 2: Convert to fraction form
    2,569.16/3,853.44 = 720.41/x
  3. Step 3: Cross multiply
    2,569.16x = 3,853.44 × 720.41
  4. Step 4: Simplify right side
    2,569.16x = 2,776,037.44
  5. Step 5: Solve for x
    x = 2,776,037.44/2,569.16
  6. Step 6: Final answer
    x = 1,080.52

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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.