Home / 3,590.11-4,954.56-2,018.20

Finding the Fourth Proportional to 3,590.11, 4,954.56 and 2,018.20

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Solution

The fourth proportional to 3,590.11, 4,954.56 and 2,018.20 is: 2,785.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.11 : 4,954.56 = 2,018.20 : x
  2. Step 2: Convert to fraction form
    3,590.11/4,954.56 = 2,018.20/x
  3. Step 3: Cross multiply
    3,590.11x = 4,954.56 × 2,018.20
  4. Step 4: Simplify right side
    3,590.11x = 9,999,292.99
  5. Step 5: Solve for x
    x = 9,999,292.99/3,590.11
  6. Step 6: Final answer
    x = 2,785.23

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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.