Home / 3,612.03-4,984.54-2,018.70

Finding the Fourth Proportional to 3,612.03, 4,984.54 and 2,018.70

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Solution

The fourth proportional to 3,612.03, 4,984.54 and 2,018.70 is: 2,785.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.03 : 4,984.54 = 2,018.70 : x
  2. Step 2: Convert to fraction form
    3,612.03/4,984.54 = 2,018.70/x
  3. Step 3: Cross multiply
    3,612.03x = 4,984.54 × 2,018.70
  4. Step 4: Simplify right side
    3,612.03x = 10,062,290.90
  5. Step 5: Solve for x
    x = 10,062,290.90/3,612.03
  6. Step 6: Final answer
    x = 2,785.77

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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.