Home / 3,069.03-4,235.12-1,706.21

Finding the Fourth Proportional to 3,069.03, 4,235.12 and 1,706.21

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Solution

The fourth proportional to 3,069.03, 4,235.12 and 1,706.21 is: 2,354.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.03 : 4,235.12 = 1,706.21 : x
  2. Step 2: Convert to fraction form
    3,069.03/4,235.12 = 1,706.21/x
  3. Step 3: Cross multiply
    3,069.03x = 4,235.12 × 1,706.21
  4. Step 4: Simplify right side
    3,069.03x = 7,225,974.39
  5. Step 5: Solve for x
    x = 7,225,974.39/3,069.03
  6. Step 6: Final answer
    x = 2,354.48

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Double scale
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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.