Home / 3,418.31-4,717.39-2,002.13

Finding the Fourth Proportional to 3,418.31, 4,717.39 and 2,002.13

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Solution

The fourth proportional to 3,418.31, 4,717.39 and 2,002.13 is: 2,763.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.31 : 4,717.39 = 2,002.13 : x
  2. Step 2: Convert to fraction form
    3,418.31/4,717.39 = 2,002.13/x
  3. Step 3: Cross multiply
    3,418.31x = 4,717.39 × 2,002.13
  4. Step 4: Simplify right side
    3,418.31x = 9,444,828.04
  5. Step 5: Solve for x
    x = 9,444,828.04/3,418.31
  6. Step 6: Final answer
    x = 2,763.01

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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.