Home / 3,431.73-5,148.87-1,353.18

Finding the Fourth Proportional to 3,431.73, 5,148.87 and 1,353.18

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Solution

The fourth proportional to 3,431.73, 5,148.87 and 1,353.18 is: 2,030.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.73 : 5,148.87 = 1,353.18 : x
  2. Step 2: Convert to fraction form
    3,431.73/5,148.87 = 1,353.18/x
  3. Step 3: Cross multiply
    3,431.73x = 5,148.87 × 1,353.18
  4. Step 4: Simplify right side
    3,431.73x = 6,967,341.87
  5. Step 5: Solve for x
    x = 6,967,341.87/3,431.73
  6. Step 6: Final answer
    x = 2,030.27

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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.