Home / 3,087.96-4,260.72-1,761.32

Finding the Fourth Proportional to 3,087.96, 4,260.72 and 1,761.32

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Solution

The fourth proportional to 3,087.96, 4,260.72 and 1,761.32 is: 2,430.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.96 : 4,260.72 = 1,761.32 : x
  2. Step 2: Convert to fraction form
    3,087.96/4,260.72 = 1,761.32/x
  3. Step 3: Cross multiply
    3,087.96x = 4,260.72 × 1,761.32
  4. Step 4: Simplify right side
    3,087.96x = 7,504,491.35
  5. Step 5: Solve for x
    x = 7,504,491.35/3,087.96
  6. Step 6: Final answer
    x = 2,430.24

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1.5x scale

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.