Home / 1,723.88-2,379.35-1,025.66

Finding the Fourth Proportional to 1,723.88, 2,379.35 and 1,025.66

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Solution

The fourth proportional to 1,723.88, 2,379.35 and 1,025.66 is: 1,415.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.88 : 2,379.35 = 1,025.66 : x
  2. Step 2: Convert to fraction form
    1,723.88/2,379.35 = 1,025.66/x
  3. Step 3: Cross multiply
    1,723.88x = 2,379.35 × 1,025.66
  4. Step 4: Simplify right side
    1,723.88x = 2,440,394.79
  5. Step 5: Solve for x
    x = 2,440,394.79/1,723.88
  6. Step 6: Final answer
    x = 1,415.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.