Home / 2,421.32-3,344.14-1,634

Finding the Fourth Proportional to 2,421.32, 3,344.14 and 1,634

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Solution

The fourth proportional to 2,421.32, 3,344.14 and 1,634 is: 2,256.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.32 : 3,344.14 = 1,634 : x
  2. Step 2: Convert to fraction form
    2,421.32/3,344.14 = 1,634/x
  3. Step 3: Cross multiply
    2,421.32x = 3,344.14 × 1,634
  4. Step 4: Simplify right side
    2,421.32x = 5,464,324.76
  5. Step 5: Solve for x
    x = 5,464,324.76/2,421.32
  6. Step 6: Final answer
    x = 2,256.75

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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.