Home / 1,558.89-2,144.97-1,505.01

Finding the Fourth Proportional to 1,558.89, 2,144.97 and 1,505.01

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Solution

The fourth proportional to 1,558.89, 2,144.97 and 1,505.01 is: 2,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.89 : 2,144.97 = 1,505.01 : x
  2. Step 2: Convert to fraction form
    1,558.89/2,144.97 = 1,505.01/x
  3. Step 3: Cross multiply
    1,558.89x = 2,144.97 × 1,505.01
  4. Step 4: Simplify right side
    1,558.89x = 3,228,201.30
  5. Step 5: Solve for x
    x = 3,228,201.30/1,558.89
  6. Step 6: Final answer
    x = 2,070.83

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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.