Home / 3,086.95-4,260.27-1,761.07

Finding the Fourth Proportional to 3,086.95, 4,260.27 and 1,761.07

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Solution

The fourth proportional to 3,086.95, 4,260.27 and 1,761.07 is: 2,430.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.95 : 4,260.27 = 1,761.07 : x
  2. Step 2: Convert to fraction form
    3,086.95/4,260.27 = 1,761.07/x
  3. Step 3: Cross multiply
    3,086.95x = 4,260.27 × 1,761.07
  4. Step 4: Simplify right side
    3,086.95x = 7,502,633.69
  5. Step 5: Solve for x
    x = 7,502,633.69/3,086.95
  6. Step 6: Final answer
    x = 2,430.44

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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.