Home / 1,751.07-2,626.21-518.19

Finding the Fourth Proportional to 1,751.07, 2,626.21 and 518.19

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Solution

The fourth proportional to 1,751.07, 2,626.21 and 518.19 is: 777.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.07 : 2,626.21 = 518.19 : x
  2. Step 2: Convert to fraction form
    1,751.07/2,626.21 = 518.19/x
  3. Step 3: Cross multiply
    1,751.07x = 2,626.21 × 518.19
  4. Step 4: Simplify right side
    1,751.07x = 1,360,863.64
  5. Step 5: Solve for x
    x = 1,360,863.64/1,751.07
  6. Step 6: Final answer
    x = 777.16

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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.