Home / 2,627.89-3,623.16-1,731.49

Finding the Fourth Proportional to 2,627.89, 3,623.16 and 1,731.49

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Solution

The fourth proportional to 2,627.89, 3,623.16 and 1,731.49 is: 2,387.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627.89 : 3,623.16 = 1,731.49 : x
  2. Step 2: Convert to fraction form
    2,627.89/3,623.16 = 1,731.49/x
  3. Step 3: Cross multiply
    2,627.89x = 3,623.16 × 1,731.49
  4. Step 4: Simplify right side
    2,627.89x = 6,273,465.31
  5. Step 5: Solve for x
    x = 6,273,465.31/2,627.89
  6. Step 6: Final answer
    x = 2,387.26

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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.