Home / 1,741.24-2,610.69-918.64

Finding the Fourth Proportional to 1,741.24, 2,610.69 and 918.64

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Solution

The fourth proportional to 1,741.24, 2,610.69 and 918.64 is: 1,377.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.24 : 2,610.69 = 918.64 : x
  2. Step 2: Convert to fraction form
    1,741.24/2,610.69 = 918.64/x
  3. Step 3: Cross multiply
    1,741.24x = 2,610.69 × 918.64
  4. Step 4: Simplify right side
    1,741.24x = 2,398,284.26
  5. Step 5: Solve for x
    x = 2,398,284.26/1,741.24
  6. Step 6: Final answer
    x = 1,377.34

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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.