Home / 2,732.48-4,099.76-1,419.08

Finding the Fourth Proportional to 2,732.48, 4,099.76 and 1,419.08

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Solution

The fourth proportional to 2,732.48, 4,099.76 and 1,419.08 is: 2,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.48 : 4,099.76 = 1,419.08 : x
  2. Step 2: Convert to fraction form
    2,732.48/4,099.76 = 1,419.08/x
  3. Step 3: Cross multiply
    2,732.48x = 4,099.76 × 1,419.08
  4. Step 4: Simplify right side
    2,732.48x = 5,817,887.42
  5. Step 5: Solve for x
    x = 5,817,887.42/2,732.48
  6. Step 6: Final answer
    x = 2,129.16

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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.