Home / 3,140.24-4,717.66-2,280.04

Finding the Fourth Proportional to 3,140.24, 4,717.66 and 2,280.04

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Solution

The fourth proportional to 3,140.24, 4,717.66 and 2,280.04 is: 3,425.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.24 : 4,717.66 = 2,280.04 : x
  2. Step 2: Convert to fraction form
    3,140.24/4,717.66 = 2,280.04/x
  3. Step 3: Cross multiply
    3,140.24x = 4,717.66 × 2,280.04
  4. Step 4: Simplify right side
    3,140.24x = 10,756,453.51
  5. Step 5: Solve for x
    x = 10,756,453.51/3,140.24
  6. Step 6: Final answer
    x = 3,425.36

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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.