Home / 3,018.48-4,161.42-2,581.08

Finding the Fourth Proportional to 3,018.48, 4,161.42 and 2,581.08

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Solution

The fourth proportional to 3,018.48, 4,161.42 and 2,581.08 is: 3,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.48 : 4,161.42 = 2,581.08 : x
  2. Step 2: Convert to fraction form
    3,018.48/4,161.42 = 2,581.08/x
  3. Step 3: Cross multiply
    3,018.48x = 4,161.42 × 2,581.08
  4. Step 4: Simplify right side
    3,018.48x = 10,740,957.93
  5. Step 5: Solve for x
    x = 10,740,957.93/3,018.48
  6. Step 6: Final answer
    x = 3,558.40

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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.