Home / 2,489.56-3,435.59-1,370.53

Finding the Fourth Proportional to 2,489.56, 3,435.59 and 1,370.53

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Solution

The fourth proportional to 2,489.56, 3,435.59 and 1,370.53 is: 1,891.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.56 : 3,435.59 = 1,370.53 : x
  2. Step 2: Convert to fraction form
    2,489.56/3,435.59 = 1,370.53/x
  3. Step 3: Cross multiply
    2,489.56x = 3,435.59 × 1,370.53
  4. Step 4: Simplify right side
    2,489.56x = 4,708,579.16
  5. Step 5: Solve for x
    x = 4,708,579.16/2,489.56
  6. Step 6: Final answer
    x = 1,891.33

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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.