Home / 1,756.65-2,419.26-1,718.37

Finding the Fourth Proportional to 1,756.65, 2,419.26 and 1,718.37

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Solution

The fourth proportional to 1,756.65, 2,419.26 and 1,718.37 is: 2,366.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.65 : 2,419.26 = 1,718.37 : x
  2. Step 2: Convert to fraction form
    1,756.65/2,419.26 = 1,718.37/x
  3. Step 3: Cross multiply
    1,756.65x = 2,419.26 × 1,718.37
  4. Step 4: Simplify right side
    1,756.65x = 4,157,183.81
  5. Step 5: Solve for x
    x = 4,157,183.81/1,756.65
  6. Step 6: Final answer
    x = 2,366.54

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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.