Home / 1,654.54-2,479.96-1,330.14

Finding the Fourth Proportional to 1,654.54, 2,479.96 and 1,330.14

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Solution

The fourth proportional to 1,654.54, 2,479.96 and 1,330.14 is: 1,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.54 : 2,479.96 = 1,330.14 : x
  2. Step 2: Convert to fraction form
    1,654.54/2,479.96 = 1,330.14/x
  3. Step 3: Cross multiply
    1,654.54x = 2,479.96 × 1,330.14
  4. Step 4: Simplify right side
    1,654.54x = 3,298,693.99
  5. Step 5: Solve for x
    x = 3,298,693.99/1,654.54
  6. Step 6: Final answer
    x = 1,993.72

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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.