Home / 2,425.97-3,347.83-1,378.01

Finding the Fourth Proportional to 2,425.97, 3,347.83 and 1,378.01

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Solution

The fourth proportional to 2,425.97, 3,347.83 and 1,378.01 is: 1,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.97 : 3,347.83 = 1,378.01 : x
  2. Step 2: Convert to fraction form
    2,425.97/3,347.83 = 1,378.01/x
  3. Step 3: Cross multiply
    2,425.97x = 3,347.83 × 1,378.01
  4. Step 4: Simplify right side
    2,425.97x = 4,613,343.22
  5. Step 5: Solve for x
    x = 4,613,343.22/2,425.97
  6. Step 6: Final answer
    x = 1,901.65

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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.