Home / 2,489.08-3,435.01-1,370.07

Finding the Fourth Proportional to 2,489.08, 3,435.01 and 1,370.07

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Solution

The fourth proportional to 2,489.08, 3,435.01 and 1,370.07 is: 1,890.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.08 : 3,435.01 = 1,370.07 : x
  2. Step 2: Convert to fraction form
    2,489.08/3,435.01 = 1,370.07/x
  3. Step 3: Cross multiply
    2,489.08x = 3,435.01 × 1,370.07
  4. Step 4: Simplify right side
    2,489.08x = 4,706,204.15
  5. Step 5: Solve for x
    x = 4,706,204.15/2,489.08
  6. Step 6: Final answer
    x = 1,890.74

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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.