Home / 3,518.30-4,877.45-3,331.03

Finding the Fourth Proportional to 3,518.30, 4,877.45 and 3,331.03

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Solution

The fourth proportional to 3,518.30, 4,877.45 and 3,331.03 is: 4,617.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.30 : 4,877.45 = 3,331.03 : x
  2. Step 2: Convert to fraction form
    3,518.30/4,877.45 = 3,331.03/x
  3. Step 3: Cross multiply
    3,518.30x = 4,877.45 × 3,331.03
  4. Step 4: Simplify right side
    3,518.30x = 16,246,932.27
  5. Step 5: Solve for x
    x = 16,246,932.27/3,518.30
  6. Step 6: Final answer
    x = 4,617.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.