Home / 2,302.80-3,455.55-986.49

Finding the Fourth Proportional to 2,302.80, 3,455.55 and 986.49

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Solution

The fourth proportional to 2,302.80, 3,455.55 and 986.49 is: 1,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.80 : 3,455.55 = 986.49 : x
  2. Step 2: Convert to fraction form
    2,302.80/3,455.55 = 986.49/x
  3. Step 3: Cross multiply
    2,302.80x = 3,455.55 × 986.49
  4. Step 4: Simplify right side
    2,302.80x = 3,408,865.52
  5. Step 5: Solve for x
    x = 3,408,865.52/2,302.80
  6. Step 6: Final answer
    x = 1,480.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.