Home / 3,434.16-5,152.68-3,143.28

Finding the Fourth Proportional to 3,434.16, 5,152.68 and 3,143.28

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Solution

The fourth proportional to 3,434.16, 5,152.68 and 3,143.28 is: 4,716.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.16 : 5,152.68 = 3,143.28 : x
  2. Step 2: Convert to fraction form
    3,434.16/5,152.68 = 3,143.28/x
  3. Step 3: Cross multiply
    3,434.16x = 5,152.68 × 3,143.28
  4. Step 4: Simplify right side
    3,434.16x = 16,196,315.99
  5. Step 5: Solve for x
    x = 16,196,315.99/3,434.16
  6. Step 6: Final answer
    x = 4,716.24

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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.