Home / 3,087.32-4,260.40-1,760.54

Finding the Fourth Proportional to 3,087.32, 4,260.40 and 1,760.54

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Solution

The fourth proportional to 3,087.32, 4,260.40 and 1,760.54 is: 2,429.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.32 : 4,260.40 = 1,760.54 : x
  2. Step 2: Convert to fraction form
    3,087.32/4,260.40 = 1,760.54/x
  3. Step 3: Cross multiply
    3,087.32x = 4,260.40 × 1,760.54
  4. Step 4: Simplify right side
    3,087.32x = 7,500,578.91
  5. Step 5: Solve for x
    x = 7,500,578.91/3,087.32
  6. Step 6: Final answer
    x = 2,429.48

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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.