Home / 3,087.77-4,260.94-1,761.59

Finding the Fourth Proportional to 3,087.77, 4,260.94 and 1,761.59

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Solution

The fourth proportional to 3,087.77, 4,260.94 and 1,761.59 is: 2,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.77 : 4,260.94 = 1,761.59 : x
  2. Step 2: Convert to fraction form
    3,087.77/4,260.94 = 1,761.59/x
  3. Step 3: Cross multiply
    3,087.77x = 4,260.94 × 1,761.59
  4. Step 4: Simplify right side
    3,087.77x = 7,506,035.54
  5. Step 5: Solve for x
    x = 7,506,035.54/3,087.77
  6. Step 6: Final answer
    x = 2,430.90

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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.