Home / 2,396.79-3,308.45-1,402.52

Finding the Fourth Proportional to 2,396.79, 3,308.45 and 1,402.52

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Solution

The fourth proportional to 2,396.79, 3,308.45 and 1,402.52 is: 1,935.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,396.79 : 3,308.45 = 1,402.52 : x
  2. Step 2: Convert to fraction form
    2,396.79/3,308.45 = 1,402.52/x
  3. Step 3: Cross multiply
    2,396.79x = 3,308.45 × 1,402.52
  4. Step 4: Simplify right side
    2,396.79x = 4,640,143.74
  5. Step 5: Solve for x
    x = 4,640,143.74/2,396.79
  6. Step 6: Final answer
    x = 1,935.98

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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.