Home / 3,392.10-5,090.37-1,200.74

Finding the Fourth Proportional to 3,392.10, 5,090.37 and 1,200.74

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Solution

The fourth proportional to 3,392.10, 5,090.37 and 1,200.74 is: 1,801.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.10 : 5,090.37 = 1,200.74 : x
  2. Step 2: Convert to fraction form
    3,392.10/5,090.37 = 1,200.74/x
  3. Step 3: Cross multiply
    3,392.10x = 5,090.37 × 1,200.74
  4. Step 4: Simplify right side
    3,392.10x = 6,112,185.42
  5. Step 5: Solve for x
    x = 6,112,185.42/3,392.10
  6. Step 6: Final answer
    x = 1,801.89

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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.