Home / 3,087.27-4,260.44-1,690.02

Finding the Fourth Proportional to 3,087.27, 4,260.44 and 1,690.02

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Solution

The fourth proportional to 3,087.27, 4,260.44 and 1,690.02 is: 2,332.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.27 : 4,260.44 = 1,690.02 : x
  2. Step 2: Convert to fraction form
    3,087.27/4,260.44 = 1,690.02/x
  3. Step 3: Cross multiply
    3,087.27x = 4,260.44 × 1,690.02
  4. Step 4: Simplify right side
    3,087.27x = 7,200,228.81
  5. Step 5: Solve for x
    x = 7,200,228.81/3,087.27
  6. Step 6: Final answer
    x = 2,332.23

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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.