Home / 1,540.08-2,309.88-444.60

Finding the Fourth Proportional to 1,540.08, 2,309.88 and 444.60

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Solution

The fourth proportional to 1,540.08, 2,309.88 and 444.60 is: 666.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540.08 : 2,309.88 = 444.60 : x
  2. Step 2: Convert to fraction form
    1,540.08/2,309.88 = 444.60/x
  3. Step 3: Cross multiply
    1,540.08x = 2,309.88 × 444.60
  4. Step 4: Simplify right side
    1,540.08x = 1,026,972.65
  5. Step 5: Solve for x
    x = 1,026,972.65/1,540.08
  6. Step 6: Final answer
    x = 666.83

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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.