Home / 1,540.08-2,310.53-444.54

Finding the Fourth Proportional to 1,540.08, 2,310.53 and 444.54

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Solution

The fourth proportional to 1,540.08, 2,310.53 and 444.54 is: 666.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540.08 : 2,310.53 = 444.54 : x
  2. Step 2: Convert to fraction form
    1,540.08/2,310.53 = 444.54/x
  3. Step 3: Cross multiply
    1,540.08x = 2,310.53 × 444.54
  4. Step 4: Simplify right side
    1,540.08x = 1,027,123.01
  5. Step 5: Solve for x
    x = 1,027,123.01/1,540.08
  6. Step 6: Final answer
    x = 666.93

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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.