Home / 3,424.16-4,721.64-2,797.22

Finding the Fourth Proportional to 3,424.16, 4,721.64 and 2,797.22

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Solution

The fourth proportional to 3,424.16, 4,721.64 and 2,797.22 is: 3,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.16 : 4,721.64 = 2,797.22 : x
  2. Step 2: Convert to fraction form
    3,424.16/4,721.64 = 2,797.22/x
  3. Step 3: Cross multiply
    3,424.16x = 4,721.64 × 2,797.22
  4. Step 4: Simplify right side
    3,424.16x = 13,207,465.84
  5. Step 5: Solve for x
    x = 13,207,465.84/3,424.16
  6. Step 6: Final answer
    x = 3,857.14

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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.