Home / 3,072.24-4,228.68-2,569.32

Finding the Fourth Proportional to 3,072.24, 4,228.68 and 2,569.32

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Solution

The fourth proportional to 3,072.24, 4,228.68 and 2,569.32 is: 3,536.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.24 : 4,228.68 = 2,569.32 : x
  2. Step 2: Convert to fraction form
    3,072.24/4,228.68 = 2,569.32/x
  3. Step 3: Cross multiply
    3,072.24x = 4,228.68 × 2,569.32
  4. Step 4: Simplify right side
    3,072.24x = 10,864,832.10
  5. Step 5: Solve for x
    x = 10,864,832.10/3,072.24
  6. Step 6: Final answer
    x = 3,536.45

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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.