Home / 2,207.05-3,039.47-2,200.21

Finding the Fourth Proportional to 2,207.05, 3,039.47 and 2,200.21

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Solution

The fourth proportional to 2,207.05, 3,039.47 and 2,200.21 is: 3,030.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.05 : 3,039.47 = 2,200.21 : x
  2. Step 2: Convert to fraction form
    2,207.05/3,039.47 = 2,200.21/x
  3. Step 3: Cross multiply
    2,207.05x = 3,039.47 × 2,200.21
  4. Step 4: Simplify right side
    2,207.05x = 6,687,491.41
  5. Step 5: Solve for x
    x = 6,687,491.41/2,207.05
  6. Step 6: Final answer
    x = 3,030.06

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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.