Home / 1,537.01-2,118.35-1,255.43

Finding the Fourth Proportional to 1,537.01, 2,118.35 and 1,255.43

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Solution

The fourth proportional to 1,537.01, 2,118.35 and 1,255.43 is: 1,730.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537.01 : 2,118.35 = 1,255.43 : x
  2. Step 2: Convert to fraction form
    1,537.01/2,118.35 = 1,255.43/x
  3. Step 3: Cross multiply
    1,537.01x = 2,118.35 × 1,255.43
  4. Step 4: Simplify right side
    1,537.01x = 2,659,440.14
  5. Step 5: Solve for x
    x = 2,659,440.14/1,537.01
  6. Step 6: Final answer
    x = 1,730.27

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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.