Home / 2,569.04-3,853.82-720.16

Finding the Fourth Proportional to 2,569.04, 3,853.82 and 720.16

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Solution

The fourth proportional to 2,569.04, 3,853.82 and 720.16 is: 1,080.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.04 : 3,853.82 = 720.16 : x
  2. Step 2: Convert to fraction form
    2,569.04/3,853.82 = 720.16/x
  3. Step 3: Cross multiply
    2,569.04x = 3,853.82 × 720.16
  4. Step 4: Simplify right side
    2,569.04x = 2,775,367.01
  5. Step 5: Solve for x
    x = 2,775,367.01/2,569.04
  6. Step 6: Final answer
    x = 1,080.31

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1.5x scale

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.