Home / 2,579.47-3,555.93-1,906.28

Finding the Fourth Proportional to 2,579.47, 3,555.93 and 1,906.28

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Solution

The fourth proportional to 2,579.47, 3,555.93 and 1,906.28 is: 2,627.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.47 : 3,555.93 = 1,906.28 : x
  2. Step 2: Convert to fraction form
    2,579.47/3,555.93 = 1,906.28/x
  3. Step 3: Cross multiply
    2,579.47x = 3,555.93 × 1,906.28
  4. Step 4: Simplify right side
    2,579.47x = 6,778,604.86
  5. Step 5: Solve for x
    x = 6,778,604.86/2,579.47
  6. Step 6: Final answer
    x = 2,627.91

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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.