Home / 3,570.35-5,358.15-3,543.21

Finding the Fourth Proportional to 3,570.35, 5,358.15 and 3,543.21

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Solution

The fourth proportional to 3,570.35, 5,358.15 and 3,543.21 is: 5,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.35 : 5,358.15 = 3,543.21 : x
  2. Step 2: Convert to fraction form
    3,570.35/5,358.15 = 3,543.21/x
  3. Step 3: Cross multiply
    3,570.35x = 5,358.15 × 3,543.21
  4. Step 4: Simplify right side
    3,570.35x = 18,985,050.66
  5. Step 5: Solve for x
    x = 18,985,050.66/3,570.35
  6. Step 6: Final answer
    x = 5,317.43

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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.