Home / 2,623.56-3,617.15-2,149.71

Finding the Fourth Proportional to 2,623.56, 3,617.15 and 2,149.71

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Solution

The fourth proportional to 2,623.56, 3,617.15 and 2,149.71 is: 2,963.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.56 : 3,617.15 = 2,149.71 : x
  2. Step 2: Convert to fraction form
    2,623.56/3,617.15 = 2,149.71/x
  3. Step 3: Cross multiply
    2,623.56x = 3,617.15 × 2,149.71
  4. Step 4: Simplify right side
    2,623.56x = 7,775,823.53
  5. Step 5: Solve for x
    x = 7,775,823.53/2,623.56
  6. Step 6: Final answer
    x = 2,963.84

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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.