Home / 3,535.41-4,876.77-2,415.78

Finding the Fourth Proportional to 3,535.41, 4,876.77 and 2,415.78

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Solution

The fourth proportional to 3,535.41, 4,876.77 and 2,415.78 is: 3,332.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.41 : 4,876.77 = 2,415.78 : x
  2. Step 2: Convert to fraction form
    3,535.41/4,876.77 = 2,415.78/x
  3. Step 3: Cross multiply
    3,535.41x = 4,876.77 × 2,415.78
  4. Step 4: Simplify right side
    3,535.41x = 11,781,203.43
  5. Step 5: Solve for x
    x = 11,781,203.43/3,535.41
  6. Step 6: Final answer
    x = 3,332.34

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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.