Home / 2,354.21-3,248.68-1,359.80

Finding the Fourth Proportional to 2,354.21, 3,248.68 and 1,359.80

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Solution

The fourth proportional to 2,354.21, 3,248.68 and 1,359.80 is: 1,876.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.21 : 3,248.68 = 1,359.80 : x
  2. Step 2: Convert to fraction form
    2,354.21/3,248.68 = 1,359.80/x
  3. Step 3: Cross multiply
    2,354.21x = 3,248.68 × 1,359.80
  4. Step 4: Simplify right side
    2,354.21x = 4,417,538.82
  5. Step 5: Solve for x
    x = 4,417,538.82/2,354.21
  6. Step 6: Final answer
    x = 1,876.45

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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.