Home / 2,872.86-4,309.77-1,023.59

Finding the Fourth Proportional to 2,872.86, 4,309.77 and 1,023.59

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Solution

The fourth proportional to 2,872.86, 4,309.77 and 1,023.59 is: 1,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.86 : 4,309.77 = 1,023.59 : x
  2. Step 2: Convert to fraction form
    2,872.86/4,309.77 = 1,023.59/x
  3. Step 3: Cross multiply
    2,872.86x = 4,309.77 × 1,023.59
  4. Step 4: Simplify right side
    2,872.86x = 4,411,415.93
  5. Step 5: Solve for x
    x = 4,411,415.93/2,872.86
  6. Step 6: Final answer
    x = 1,535.55

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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.