Home / 2,579.18-3,555.74-1,771.61

Finding the Fourth Proportional to 2,579.18, 3,555.74 and 1,771.61

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Solution

The fourth proportional to 2,579.18, 3,555.74 and 1,771.61 is: 2,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.18 : 3,555.74 = 1,771.61 : x
  2. Step 2: Convert to fraction form
    2,579.18/3,555.74 = 1,771.61/x
  3. Step 3: Cross multiply
    2,579.18x = 3,555.74 × 1,771.61
  4. Step 4: Simplify right side
    2,579.18x = 6,299,361.23
  5. Step 5: Solve for x
    x = 6,299,361.23/2,579.18
  6. Step 6: Final answer
    x = 2,442.39

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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.