Home / 1,716.10-2,572.90-675.56

Finding the Fourth Proportional to 1,716.10, 2,572.90 and 675.56

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Solution

The fourth proportional to 1,716.10, 2,572.90 and 675.56 is: 1,012.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.10 : 2,572.90 = 675.56 : x
  2. Step 2: Convert to fraction form
    1,716.10/2,572.90 = 675.56/x
  3. Step 3: Cross multiply
    1,716.10x = 2,572.90 × 675.56
  4. Step 4: Simplify right side
    1,716.10x = 1,738,153.07
  5. Step 5: Solve for x
    x = 1,738,153.07/1,716.10
  6. Step 6: Final answer
    x = 1,012.85

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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.