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Finding the Fourth Proportional to 3,670.60, 5,506.16 and 1,479.34

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Solution

The fourth proportional to 3,670.60, 5,506.16 and 1,479.34 is: 2,219.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.60 : 5,506.16 = 1,479.34 : x
  2. Step 2: Convert to fraction form
    3,670.60/5,506.16 = 1,479.34/x
  3. Step 3: Cross multiply
    3,670.60x = 5,506.16 × 1,479.34
  4. Step 4: Simplify right side
    3,670.60x = 8,145,482.73
  5. Step 5: Solve for x
    x = 8,145,482.73/3,670.60
  6. Step 6: Final answer
    x = 2,219.11

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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.