Home / 2,206.90-3,308.61-1,511.46

Finding the Fourth Proportional to 2,206.90, 3,308.61 and 1,511.46

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Solution

The fourth proportional to 2,206.90, 3,308.61 and 1,511.46 is: 2,266.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.90 : 3,308.61 = 1,511.46 : x
  2. Step 2: Convert to fraction form
    2,206.90/3,308.61 = 1,511.46/x
  3. Step 3: Cross multiply
    2,206.90x = 3,308.61 × 1,511.46
  4. Step 4: Simplify right side
    2,206.90x = 5,000,831.67
  5. Step 5: Solve for x
    x = 5,000,831.67/2,206.90
  6. Step 6: Final answer
    x = 2,266.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.