Home / 2,489.46-3,435.47-1,370.36

Finding the Fourth Proportional to 2,489.46, 3,435.47 and 1,370.36

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Solution

The fourth proportional to 2,489.46, 3,435.47 and 1,370.36 is: 1,891.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.46 : 3,435.47 = 1,370.36 : x
  2. Step 2: Convert to fraction form
    2,489.46/3,435.47 = 1,370.36/x
  3. Step 3: Cross multiply
    2,489.46x = 3,435.47 × 1,370.36
  4. Step 4: Simplify right side
    2,489.46x = 4,707,830.67
  5. Step 5: Solve for x
    x = 4,707,830.67/2,489.46
  6. Step 6: Final answer
    x = 1,891.11

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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.