Home / 3,520.02-5,279.99-1,054.86

Finding the Fourth Proportional to 3,520.02, 5,279.99 and 1,054.86

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Solution

The fourth proportional to 3,520.02, 5,279.99 and 1,054.86 is: 1,582.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.02 : 5,279.99 = 1,054.86 : x
  2. Step 2: Convert to fraction form
    3,520.02/5,279.99 = 1,054.86/x
  3. Step 3: Cross multiply
    3,520.02x = 5,279.99 × 1,054.86
  4. Step 4: Simplify right side
    3,520.02x = 5,569,650.25
  5. Step 5: Solve for x
    x = 5,569,650.25/3,520.02
  6. Step 6: Final answer
    x = 1,582.28

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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.