Home / 3,680.58-5,079.23-2,001.99

Finding the Fourth Proportional to 3,680.58, 5,079.23 and 2,001.99

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Solution

The fourth proportional to 3,680.58, 5,079.23 and 2,001.99 is: 2,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.58 : 5,079.23 = 2,001.99 : x
  2. Step 2: Convert to fraction form
    3,680.58/5,079.23 = 2,001.99/x
  3. Step 3: Cross multiply
    3,680.58x = 5,079.23 × 2,001.99
  4. Step 4: Simplify right side
    3,680.58x = 10,168,557.66
  5. Step 5: Solve for x
    x = 10,168,557.66/3,680.58
  6. Step 6: Final answer
    x = 2,762.76

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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.