Home / 3,022.40-4,175.16-2,332.64

Finding the Fourth Proportional to 3,022.40, 4,175.16 and 2,332.64

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Solution

The fourth proportional to 3,022.40, 4,175.16 and 2,332.64 is: 3,222.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.40 : 4,175.16 = 2,332.64 : x
  2. Step 2: Convert to fraction form
    3,022.40/4,175.16 = 2,332.64/x
  3. Step 3: Cross multiply
    3,022.40x = 4,175.16 × 2,332.64
  4. Step 4: Simplify right side
    3,022.40x = 9,739,145.22
  5. Step 5: Solve for x
    x = 9,739,145.22/3,022.40
  6. Step 6: Final answer
    x = 3,222.32

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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.