Home / 3,435.17-5,154.36-1,243.31

Finding the Fourth Proportional to 3,435.17, 5,154.36 and 1,243.31

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Solution

The fourth proportional to 3,435.17, 5,154.36 and 1,243.31 is: 1,865.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.17 : 5,154.36 = 1,243.31 : x
  2. Step 2: Convert to fraction form
    3,435.17/5,154.36 = 1,243.31/x
  3. Step 3: Cross multiply
    3,435.17x = 5,154.36 × 1,243.31
  4. Step 4: Simplify right side
    3,435.17x = 6,408,441.56
  5. Step 5: Solve for x
    x = 6,408,441.56/3,435.17
  6. Step 6: Final answer
    x = 1,865.54

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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.