Home / 1,653.22-2,479.80-1,394.88

Finding the Fourth Proportional to 1,653.22, 2,479.80 and 1,394.88

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Solution

The fourth proportional to 1,653.22, 2,479.80 and 1,394.88 is: 2,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653.22 : 2,479.80 = 1,394.88 : x
  2. Step 2: Convert to fraction form
    1,653.22/2,479.80 = 1,394.88/x
  3. Step 3: Cross multiply
    1,653.22x = 2,479.80 × 1,394.88
  4. Step 4: Simplify right side
    1,653.22x = 3,459,023.42
  5. Step 5: Solve for x
    x = 3,459,023.42/1,653.22
  6. Step 6: Final answer
    x = 2,092.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.