Home / 3,435.20-5,147.47-2,383.07

Finding the Fourth Proportional to 3,435.20, 5,147.47 and 2,383.07

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Solution

The fourth proportional to 3,435.20, 5,147.47 and 2,383.07 is: 3,570.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.20 : 5,147.47 = 2,383.07 : x
  2. Step 2: Convert to fraction form
    3,435.20/5,147.47 = 2,383.07/x
  3. Step 3: Cross multiply
    3,435.20x = 5,147.47 × 2,383.07
  4. Step 4: Simplify right side
    3,435.20x = 12,266,781.33
  5. Step 5: Solve for x
    x = 12,266,781.33/3,435.20
  6. Step 6: Final answer
    x = 3,570.91

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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.