Home / 1,734.96-2,603.64-1,187.64

Finding the Fourth Proportional to 1,734.96, 2,603.64 and 1,187.64

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Solution

The fourth proportional to 1,734.96, 2,603.64 and 1,187.64 is: 1,782.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734.96 : 2,603.64 = 1,187.64 : x
  2. Step 2: Convert to fraction form
    1,734.96/2,603.64 = 1,187.64/x
  3. Step 3: Cross multiply
    1,734.96x = 2,603.64 × 1,187.64
  4. Step 4: Simplify right side
    1,734.96x = 3,092,187.01
  5. Step 5: Solve for x
    x = 3,092,187.01/1,734.96
  6. Step 6: Final answer
    x = 1,782.28

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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.