Home / 2,677.34-3,989.73-2,589.25

Finding the Fourth Proportional to 2,677.34, 3,989.73 and 2,589.25

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Solution

The fourth proportional to 2,677.34, 3,989.73 and 2,589.25 is: 3,858.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.34 : 3,989.73 = 2,589.25 : x
  2. Step 2: Convert to fraction form
    2,677.34/3,989.73 = 2,589.25/x
  3. Step 3: Cross multiply
    2,677.34x = 3,989.73 × 2,589.25
  4. Step 4: Simplify right side
    2,677.34x = 10,330,408.40
  5. Step 5: Solve for x
    x = 10,330,408.40/2,677.34
  6. Step 6: Final answer
    x = 3,858.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.