Home / 4,140.14-5,718.36-3,019.30

Finding the Fourth Proportional to 4,140.14, 5,718.36 and 3,019.30

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Solution

The fourth proportional to 4,140.14, 5,718.36 and 3,019.30 is: 4,170.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.14 : 5,718.36 = 3,019.30 : x
  2. Step 2: Convert to fraction form
    4,140.14/5,718.36 = 3,019.30/x
  3. Step 3: Cross multiply
    4,140.14x = 5,718.36 × 3,019.30
  4. Step 4: Simplify right side
    4,140.14x = 17,265,441.37
  5. Step 5: Solve for x
    x = 17,265,441.37/4,140.14
  6. Step 6: Final answer
    x = 4,170.26

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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.