Home / 1,573.21-2,354.96-1,407.97

Finding the Fourth Proportional to 1,573.21, 2,354.96 and 1,407.97

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Solution

The fourth proportional to 1,573.21, 2,354.96 and 1,407.97 is: 2,107.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.21 : 2,354.96 = 1,407.97 : x
  2. Step 2: Convert to fraction form
    1,573.21/2,354.96 = 1,407.97/x
  3. Step 3: Cross multiply
    1,573.21x = 2,354.96 × 1,407.97
  4. Step 4: Simplify right side
    1,573.21x = 3,315,705.99
  5. Step 5: Solve for x
    x = 3,315,705.99/1,573.21
  6. Step 6: Final answer
    x = 2,107.61

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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.