Home / 2,784.86-4,176.06-1,465.64

Finding the Fourth Proportional to 2,784.86, 4,176.06 and 1,465.64

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Solution

The fourth proportional to 2,784.86, 4,176.06 and 1,465.64 is: 2,197.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.86 : 4,176.06 = 1,465.64 : x
  2. Step 2: Convert to fraction form
    2,784.86/4,176.06 = 1,465.64/x
  3. Step 3: Cross multiply
    2,784.86x = 4,176.06 × 1,465.64
  4. Step 4: Simplify right side
    2,784.86x = 6,120,600.58
  5. Step 5: Solve for x
    x = 6,120,600.58/2,784.86
  6. Step 6: Final answer
    x = 2,197.81

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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.