Home / 3,560.30-5,340.82-1,370.86

Finding the Fourth Proportional to 3,560.30, 5,340.82 and 1,370.86

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Solution

The fourth proportional to 3,560.30, 5,340.82 and 1,370.86 is: 2,056.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.30 : 5,340.82 = 1,370.86 : x
  2. Step 2: Convert to fraction form
    3,560.30/5,340.82 = 1,370.86/x
  3. Step 3: Cross multiply
    3,560.30x = 5,340.82 × 1,370.86
  4. Step 4: Simplify right side
    3,560.30x = 7,321,516.51
  5. Step 5: Solve for x
    x = 7,321,516.51/3,560.30
  6. Step 6: Final answer
    x = 2,056.43

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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.