Home / 4,145.14-5,720.28-2,282.14

Finding the Fourth Proportional to 4,145.14, 5,720.28 and 2,282.14

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Solution

The fourth proportional to 4,145.14, 5,720.28 and 2,282.14 is: 3,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.14 : 5,720.28 = 2,282.14 : x
  2. Step 2: Convert to fraction form
    4,145.14/5,720.28 = 2,282.14/x
  3. Step 3: Cross multiply
    4,145.14x = 5,720.28 × 2,282.14
  4. Step 4: Simplify right side
    4,145.14x = 13,054,479.80
  5. Step 5: Solve for x
    x = 13,054,479.80/4,145.14
  6. Step 6: Final answer
    x = 3,149.35

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1.5x scale

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.