Home / 3,937.02-5,428.02-3,226.26

Finding the Fourth Proportional to 3,937.02, 5,428.02 and 3,226.26

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Solution

The fourth proportional to 3,937.02, 5,428.02 and 3,226.26 is: 4,448.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.02 : 5,428.02 = 3,226.26 : x
  2. Step 2: Convert to fraction form
    3,937.02/5,428.02 = 3,226.26/x
  3. Step 3: Cross multiply
    3,937.02x = 5,428.02 × 3,226.26
  4. Step 4: Simplify right side
    3,937.02x = 17,512,203.81
  5. Step 5: Solve for x
    x = 17,512,203.81/3,937.02
  6. Step 6: Final answer
    x = 4,448.09

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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.