Home / 3,903.03-5,385.80-2,310.28

Finding the Fourth Proportional to 3,903.03, 5,385.80 and 2,310.28

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Solution

The fourth proportional to 3,903.03, 5,385.80 and 2,310.28 is: 3,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.03 : 5,385.80 = 2,310.28 : x
  2. Step 2: Convert to fraction form
    3,903.03/5,385.80 = 2,310.28/x
  3. Step 3: Cross multiply
    3,903.03x = 5,385.80 × 2,310.28
  4. Step 4: Simplify right side
    3,903.03x = 12,442,698.34
  5. Step 5: Solve for x
    x = 12,442,698.34/3,903.03
  6. Step 6: Final answer
    x = 3,187.96

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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.