Home / 1,750.29-2,625.39-1,405.79

Finding the Fourth Proportional to 1,750.29, 2,625.39 and 1,405.79

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Solution

The fourth proportional to 1,750.29, 2,625.39 and 1,405.79 is: 2,108.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.29 : 2,625.39 = 1,405.79 : x
  2. Step 2: Convert to fraction form
    1,750.29/2,625.39 = 1,405.79/x
  3. Step 3: Cross multiply
    1,750.29x = 2,625.39 × 1,405.79
  4. Step 4: Simplify right side
    1,750.29x = 3,690,733.88
  5. Step 5: Solve for x
    x = 3,690,733.88/1,750.29
  6. Step 6: Final answer
    x = 2,108.64

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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.