Home / 3,415.94-5,124.02-1,335.86

Finding the Fourth Proportional to 3,415.94, 5,124.02 and 1,335.86

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Solution

The fourth proportional to 3,415.94, 5,124.02 and 1,335.86 is: 2,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.94 : 5,124.02 = 1,335.86 : x
  2. Step 2: Convert to fraction form
    3,415.94/5,124.02 = 1,335.86/x
  3. Step 3: Cross multiply
    3,415.94x = 5,124.02 × 1,335.86
  4. Step 4: Simplify right side
    3,415.94x = 6,844,973.36
  5. Step 5: Solve for x
    x = 6,844,973.36/3,415.94
  6. Step 6: Final answer
    x = 2,003.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.