Home / 3,385.50-4,670.69-2,126.04

Finding the Fourth Proportional to 3,385.50, 4,670.69 and 2,126.04

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Solution

The fourth proportional to 3,385.50, 4,670.69 and 2,126.04 is: 2,933.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.50 : 4,670.69 = 2,126.04 : x
  2. Step 2: Convert to fraction form
    3,385.50/4,670.69 = 2,126.04/x
  3. Step 3: Cross multiply
    3,385.50x = 4,670.69 × 2,126.04
  4. Step 4: Simplify right side
    3,385.50x = 9,930,063.14
  5. Step 5: Solve for x
    x = 9,930,063.14/3,385.50
  6. Step 6: Final answer
    x = 2,933.12

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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.