Home / 3,393.70-5,090.55-2,356.90

Finding the Fourth Proportional to 3,393.70, 5,090.55 and 2,356.90

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Solution

The fourth proportional to 3,393.70, 5,090.55 and 2,356.90 is: 3,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.70 : 5,090.55 = 2,356.90 : x
  2. Step 2: Convert to fraction form
    3,393.70/5,090.55 = 2,356.90/x
  3. Step 3: Cross multiply
    3,393.70x = 5,090.55 × 2,356.90
  4. Step 4: Simplify right side
    3,393.70x = 11,997,917.30
  5. Step 5: Solve for x
    x = 11,997,917.30/3,393.70
  6. Step 6: Final answer
    x = 3,535.35

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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.