Home / 3,573.81-5,360.09-1,380.74

Finding the Fourth Proportional to 3,573.81, 5,360.09 and 1,380.74

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Solution

The fourth proportional to 3,573.81, 5,360.09 and 1,380.74 is: 2,070.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.81 : 5,360.09 = 1,380.74 : x
  2. Step 2: Convert to fraction form
    3,573.81/5,360.09 = 1,380.74/x
  3. Step 3: Cross multiply
    3,573.81x = 5,360.09 × 1,380.74
  4. Step 4: Simplify right side
    3,573.81x = 7,400,856.96
  5. Step 5: Solve for x
    x = 7,400,856.96/3,573.81
  6. Step 6: Final answer
    x = 2,070.86

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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.