Home / 3,389.51-5,090.04-3,243.71

Finding the Fourth Proportional to 3,389.51, 5,090.04 and 3,243.71

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Solution

The fourth proportional to 3,389.51, 5,090.04 and 3,243.71 is: 4,871.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.51 : 5,090.04 = 3,243.71 : x
  2. Step 2: Convert to fraction form
    3,389.51/5,090.04 = 3,243.71/x
  3. Step 3: Cross multiply
    3,389.51x = 5,090.04 × 3,243.71
  4. Step 4: Simplify right side
    3,389.51x = 16,510,626.37
  5. Step 5: Solve for x
    x = 16,510,626.37/3,389.51
  6. Step 6: Final answer
    x = 4,871.09

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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.