Home / 3,530.30-4,869.60-2,272.98

Finding the Fourth Proportional to 3,530.30, 4,869.60 and 2,272.98

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Solution

The fourth proportional to 3,530.30, 4,869.60 and 2,272.98 is: 3,135.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.30 : 4,869.60 = 2,272.98 : x
  2. Step 2: Convert to fraction form
    3,530.30/4,869.60 = 2,272.98/x
  3. Step 3: Cross multiply
    3,530.30x = 4,869.60 × 2,272.98
  4. Step 4: Simplify right side
    3,530.30x = 11,068,503.41
  5. Step 5: Solve for x
    x = 11,068,503.41/3,530.30
  6. Step 6: Final answer
    x = 3,135.29

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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.