Home / 2,622.66-3,911.84-2,470.38

Finding the Fourth Proportional to 2,622.66, 3,911.84 and 2,470.38

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Solution

The fourth proportional to 2,622.66, 3,911.84 and 2,470.38 is: 3,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.66 : 3,911.84 = 2,470.38 : x
  2. Step 2: Convert to fraction form
    2,622.66/3,911.84 = 2,470.38/x
  3. Step 3: Cross multiply
    2,622.66x = 3,911.84 × 2,470.38
  4. Step 4: Simplify right side
    2,622.66x = 9,663,718.95
  5. Step 5: Solve for x
    x = 9,663,718.95/2,622.66
  6. Step 6: Final answer
    x = 3,684.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.