Home / 3,214.19-4,813.37-2,655.48

Finding the Fourth Proportional to 3,214.19, 4,813.37 and 2,655.48

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Solution

The fourth proportional to 3,214.19, 4,813.37 and 2,655.48 is: 3,976.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.19 : 4,813.37 = 2,655.48 : x
  2. Step 2: Convert to fraction form
    3,214.19/4,813.37 = 2,655.48/x
  3. Step 3: Cross multiply
    3,214.19x = 4,813.37 × 2,655.48
  4. Step 4: Simplify right side
    3,214.19x = 12,781,807.77
  5. Step 5: Solve for x
    x = 12,781,807.77/3,214.19
  6. Step 6: Final answer
    x = 3,976.68

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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.