Home / 2,489.03-3,434.82-1,370.01

Finding the Fourth Proportional to 2,489.03, 3,434.82 and 1,370.01

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Solution

The fourth proportional to 2,489.03, 3,434.82 and 1,370.01 is: 1,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.03 : 3,434.82 = 1,370.01 : x
  2. Step 2: Convert to fraction form
    2,489.03/3,434.82 = 1,370.01/x
  3. Step 3: Cross multiply
    2,489.03x = 3,434.82 × 1,370.01
  4. Step 4: Simplify right side
    2,489.03x = 4,705,737.75
  5. Step 5: Solve for x
    x = 4,705,737.75/2,489.03
  6. Step 6: Final answer
    x = 1,890.59

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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.