Home / 3,670.23-5,507.91-1,479.18

Finding the Fourth Proportional to 3,670.23, 5,507.91 and 1,479.18

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Solution

The fourth proportional to 3,670.23, 5,507.91 and 1,479.18 is: 2,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.23 : 5,507.91 = 1,479.18 : x
  2. Step 2: Convert to fraction form
    3,670.23/5,507.91 = 1,479.18/x
  3. Step 3: Cross multiply
    3,670.23x = 5,507.91 × 1,479.18
  4. Step 4: Simplify right side
    3,670.23x = 8,147,190.31
  5. Step 5: Solve for x
    x = 8,147,190.31/3,670.23
  6. Step 6: Final answer
    x = 2,219.80

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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.