Home / 1,716.16-2,574.24-1,642.72

Finding the Fourth Proportional to 1,716.16, 2,574.24 and 1,642.72

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Solution

The fourth proportional to 1,716.16, 2,574.24 and 1,642.72 is: 2,464.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.16 : 2,574.24 = 1,642.72 : x
  2. Step 2: Convert to fraction form
    1,716.16/2,574.24 = 1,642.72/x
  3. Step 3: Cross multiply
    1,716.16x = 2,574.24 × 1,642.72
  4. Step 4: Simplify right side
    1,716.16x = 4,228,755.53
  5. Step 5: Solve for x
    x = 4,228,755.53/1,716.16
  6. Step 6: Final answer
    x = 2,464.08

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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.