Home / 2,273.79-3,138.36-1,330.02

Finding the Fourth Proportional to 2,273.79, 3,138.36 and 1,330.02

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Solution

The fourth proportional to 2,273.79, 3,138.36 and 1,330.02 is: 1,835.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,273.79 : 3,138.36 = 1,330.02 : x
  2. Step 2: Convert to fraction form
    2,273.79/3,138.36 = 1,330.02/x
  3. Step 3: Cross multiply
    2,273.79x = 3,138.36 × 1,330.02
  4. Step 4: Simplify right side
    2,273.79x = 4,174,081.57
  5. Step 5: Solve for x
    x = 4,174,081.57/2,273.79
  6. Step 6: Final answer
    x = 1,835.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.