Home / 2,680.05-3,698.38-1,484.99

Finding the Fourth Proportional to 2,680.05, 3,698.38 and 1,484.99

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Solution

The fourth proportional to 2,680.05, 3,698.38 and 1,484.99 is: 2,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.05 : 3,698.38 = 1,484.99 : x
  2. Step 2: Convert to fraction form
    2,680.05/3,698.38 = 1,484.99/x
  3. Step 3: Cross multiply
    2,680.05x = 3,698.38 × 1,484.99
  4. Step 4: Simplify right side
    2,680.05x = 5,492,057.32
  5. Step 5: Solve for x
    x = 5,492,057.32/2,680.05
  6. Step 6: Final answer
    x = 2,049.24

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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.