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Finding the Fourth Proportional to 3,460.02, 5,191.02 and 1,705.55

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Solution

The fourth proportional to 3,460.02, 5,191.02 and 1,705.55 is: 2,558.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.02 : 5,191.02 = 1,705.55 : x
  2. Step 2: Convert to fraction form
    3,460.02/5,191.02 = 1,705.55/x
  3. Step 3: Cross multiply
    3,460.02x = 5,191.02 × 1,705.55
  4. Step 4: Simplify right side
    3,460.02x = 8,853,518.21
  5. Step 5: Solve for x
    x = 8,853,518.21/3,460.02
  6. Step 6: Final answer
    x = 2,558.81

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.