Home / 2,612.40-3,600.39-2,064.96

Finding the Fourth Proportional to 2,612.40, 3,600.39 and 2,064.96

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Solution

The fourth proportional to 2,612.40, 3,600.39 and 2,064.96 is: 2,845.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.40 : 3,600.39 = 2,064.96 : x
  2. Step 2: Convert to fraction form
    2,612.40/3,600.39 = 2,064.96/x
  3. Step 3: Cross multiply
    2,612.40x = 3,600.39 × 2,064.96
  4. Step 4: Simplify right side
    2,612.40x = 7,434,661.33
  5. Step 5: Solve for x
    x = 7,434,661.33/2,612.40
  6. Step 6: Final answer
    x = 2,845.91

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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.