Home / 2,354.21-3,248.89-1,292.06

Finding the Fourth Proportional to 2,354.21, 3,248.89 and 1,292.06

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Solution

The fourth proportional to 2,354.21, 3,248.89 and 1,292.06 is: 1,783.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.21 : 3,248.89 = 1,292.06 : x
  2. Step 2: Convert to fraction form
    2,354.21/3,248.89 = 1,292.06/x
  3. Step 3: Cross multiply
    2,354.21x = 3,248.89 × 1,292.06
  4. Step 4: Simplify right side
    2,354.21x = 4,197,760.81
  5. Step 5: Solve for x
    x = 4,197,760.81/2,354.21
  6. Step 6: Final answer
    x = 1,783.09

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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.