Home / 3,612.80-4,984.79-2,040.89

Finding the Fourth Proportional to 3,612.80, 4,984.79 and 2,040.89

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Solution

The fourth proportional to 3,612.80, 4,984.79 and 2,040.89 is: 2,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.80 : 4,984.79 = 2,040.89 : x
  2. Step 2: Convert to fraction form
    3,612.80/4,984.79 = 2,040.89/x
  3. Step 3: Cross multiply
    3,612.80x = 4,984.79 × 2,040.89
  4. Step 4: Simplify right side
    3,612.80x = 10,173,372.93
  5. Step 5: Solve for x
    x = 10,173,372.93/3,612.80
  6. Step 6: Final answer
    x = 2,815.93

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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.