Home / 3,018.17-4,166.91-2,391.23

Finding the Fourth Proportional to 3,018.17, 4,166.91 and 2,391.23

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Solution

The fourth proportional to 3,018.17, 4,166.91 and 2,391.23 is: 3,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.17 : 4,166.91 = 2,391.23 : x
  2. Step 2: Convert to fraction form
    3,018.17/4,166.91 = 2,391.23/x
  3. Step 3: Cross multiply
    3,018.17x = 4,166.91 × 2,391.23
  4. Step 4: Simplify right side
    3,018.17x = 9,964,050.62
  5. Step 5: Solve for x
    x = 9,964,050.62/3,018.17
  6. Step 6: Final answer
    x = 3,301.35

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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.