Home / 3,518.38-4,855.35-2,102.32

Finding the Fourth Proportional to 3,518.38, 4,855.35 and 2,102.32

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Solution

The fourth proportional to 3,518.38, 4,855.35 and 2,102.32 is: 2,901.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.38 : 4,855.35 = 2,102.32 : x
  2. Step 2: Convert to fraction form
    3,518.38/4,855.35 = 2,102.32/x
  3. Step 3: Cross multiply
    3,518.38x = 4,855.35 × 2,102.32
  4. Step 4: Simplify right side
    3,518.38x = 10,207,499.41
  5. Step 5: Solve for x
    x = 10,207,499.41/3,518.38
  6. Step 6: Final answer
    x = 2,901.19

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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.