Home / 1,716.66-2,370.32-1,317.69

Finding the Fourth Proportional to 1,716.66, 2,370.32 and 1,317.69

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Solution

The fourth proportional to 1,716.66, 2,370.32 and 1,317.69 is: 1,819.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.66 : 2,370.32 = 1,317.69 : x
  2. Step 2: Convert to fraction form
    1,716.66/2,370.32 = 1,317.69/x
  3. Step 3: Cross multiply
    1,716.66x = 2,370.32 × 1,317.69
  4. Step 4: Simplify right side
    1,716.66x = 3,123,350.26
  5. Step 5: Solve for x
    x = 3,123,350.26/1,716.66
  6. Step 6: Final answer
    x = 1,819.43

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1.5x scale

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.