Home / 3,536.86-5,305.48-1,345.78

Finding the Fourth Proportional to 3,536.86, 5,305.48 and 1,345.78

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Solution

The fourth proportional to 3,536.86, 5,305.48 and 1,345.78 is: 2,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,536.86 : 5,305.48 = 1,345.78 : x
  2. Step 2: Convert to fraction form
    3,536.86/5,305.48 = 1,345.78/x
  3. Step 3: Cross multiply
    3,536.86x = 5,305.48 × 1,345.78
  4. Step 4: Simplify right side
    3,536.86x = 7,140,008.87
  5. Step 5: Solve for x
    x = 7,140,008.87/3,536.86
  6. Step 6: Final answer
    x = 2,018.74

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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.