Home / 2,626.90-3,934.14-2,208.40

Finding the Fourth Proportional to 2,626.90, 3,934.14 and 2,208.40

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Solution

The fourth proportional to 2,626.90, 3,934.14 and 2,208.40 is: 3,307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.90 : 3,934.14 = 2,208.40 : x
  2. Step 2: Convert to fraction form
    2,626.90/3,934.14 = 2,208.40/x
  3. Step 3: Cross multiply
    2,626.90x = 3,934.14 × 2,208.40
  4. Step 4: Simplify right side
    2,626.90x = 8,688,154.78
  5. Step 5: Solve for x
    x = 8,688,154.78/2,626.90
  6. Step 6: Final answer
    x = 3,307.38

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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.