Home / 3,355.83-5,031.42-1,709.19

Finding the Fourth Proportional to 3,355.83, 5,031.42 and 1,709.19

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Solution

The fourth proportional to 3,355.83, 5,031.42 and 1,709.19 is: 2,562.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.83 : 5,031.42 = 1,709.19 : x
  2. Step 2: Convert to fraction form
    3,355.83/5,031.42 = 1,709.19/x
  3. Step 3: Cross multiply
    3,355.83x = 5,031.42 × 1,709.19
  4. Step 4: Simplify right side
    3,355.83x = 8,599,652.75
  5. Step 5: Solve for x
    x = 8,599,652.75/3,355.83
  6. Step 6: Final answer
    x = 2,562.60

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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.