Home / 3,418.30-4,717.01-2,001.90

Finding the Fourth Proportional to 3,418.30, 4,717.01 and 2,001.90

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Solution

The fourth proportional to 3,418.30, 4,717.01 and 2,001.90 is: 2,762.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.30 : 4,717.01 = 2,001.90 : x
  2. Step 2: Convert to fraction form
    3,418.30/4,717.01 = 2,001.90/x
  3. Step 3: Cross multiply
    3,418.30x = 4,717.01 × 2,001.90
  4. Step 4: Simplify right side
    3,418.30x = 9,443,005.01
  5. Step 5: Solve for x
    x = 9,443,005.01/3,418.30
  6. Step 6: Final answer
    x = 2,762.48

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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.