Home / 3,150.86-4,727.04-1,587.02

Finding the Fourth Proportional to 3,150.86, 4,727.04 and 1,587.02

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Solution

The fourth proportional to 3,150.86, 4,727.04 and 1,587.02 is: 2,380.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.86 : 4,727.04 = 1,587.02 : x
  2. Step 2: Convert to fraction form
    3,150.86/4,727.04 = 1,587.02/x
  3. Step 3: Cross multiply
    3,150.86x = 4,727.04 × 1,587.02
  4. Step 4: Simplify right side
    3,150.86x = 7,501,907.02
  5. Step 5: Solve for x
    x = 7,501,907.02/3,150.86
  6. Step 6: Final answer
    x = 2,380.91

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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.