Home / 3,415.16-4,712.94-2,018.60

Finding the Fourth Proportional to 3,415.16, 4,712.94 and 2,018.60

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Solution

The fourth proportional to 3,415.16, 4,712.94 and 2,018.60 is: 2,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.16 : 4,712.94 = 2,018.60 : x
  2. Step 2: Convert to fraction form
    3,415.16/4,712.94 = 2,018.60/x
  3. Step 3: Cross multiply
    3,415.16x = 4,712.94 × 2,018.60
  4. Step 4: Simplify right side
    3,415.16x = 9,513,540.68
  5. Step 5: Solve for x
    x = 9,513,540.68/3,415.16
  6. Step 6: Final answer
    x = 2,785.68

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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.