Home / 1,767.88-2,645.34-1,724.68

Finding the Fourth Proportional to 1,767.88, 2,645.34 and 1,724.68

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Solution

The fourth proportional to 1,767.88, 2,645.34 and 1,724.68 is: 2,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.88 : 2,645.34 = 1,724.68 : x
  2. Step 2: Convert to fraction form
    1,767.88/2,645.34 = 1,724.68/x
  3. Step 3: Cross multiply
    1,767.88x = 2,645.34 × 1,724.68
  4. Step 4: Simplify right side
    1,767.88x = 4,562,364.99
  5. Step 5: Solve for x
    x = 4,562,364.99/1,767.88
  6. Step 6: Final answer
    x = 2,580.70

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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.