Home / 1,716.28-2,574.30-983.56

Finding the Fourth Proportional to 1,716.28, 2,574.30 and 983.56

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Solution

The fourth proportional to 1,716.28, 2,574.30 and 983.56 is: 1,475.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.28 : 2,574.30 = 983.56 : x
  2. Step 2: Convert to fraction form
    1,716.28/2,574.30 = 983.56/x
  3. Step 3: Cross multiply
    1,716.28x = 2,574.30 × 983.56
  4. Step 4: Simplify right side
    1,716.28x = 2,531,978.51
  5. Step 5: Solve for x
    x = 2,531,978.51/1,716.28
  6. Step 6: Final answer
    x = 1,475.27

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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.