Home / 3,028.60-4,542.85-837.30

Finding the Fourth Proportional to 3,028.60, 4,542.85 and 837.30

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Solution

The fourth proportional to 3,028.60, 4,542.85 and 837.30 is: 1,255.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.60 : 4,542.85 = 837.30 : x
  2. Step 2: Convert to fraction form
    3,028.60/4,542.85 = 837.30/x
  3. Step 3: Cross multiply
    3,028.60x = 4,542.85 × 837.30
  4. Step 4: Simplify right side
    3,028.60x = 3,803,728.31
  5. Step 5: Solve for x
    x = 3,803,728.31/3,028.60
  6. Step 6: Final answer
    x = 1,255.94

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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.