Home / 3,523.47-5,289.15-1,879.58

Finding the Fourth Proportional to 3,523.47, 5,289.15 and 1,879.58

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Solution

The fourth proportional to 3,523.47, 5,289.15 and 1,879.58 is: 2,821.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.47 : 5,289.15 = 1,879.58 : x
  2. Step 2: Convert to fraction form
    3,523.47/5,289.15 = 1,879.58/x
  3. Step 3: Cross multiply
    3,523.47x = 5,289.15 × 1,879.58
  4. Step 4: Simplify right side
    3,523.47x = 9,941,354.11
  5. Step 5: Solve for x
    x = 9,941,354.11/3,523.47
  6. Step 6: Final answer
    x = 2,821.47

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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.