Home / 4,087.51-5,640.95-2,408.99

Finding the Fourth Proportional to 4,087.51, 5,640.95 and 2,408.99

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Solution

The fourth proportional to 4,087.51, 5,640.95 and 2,408.99 is: 3,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.51 : 5,640.95 = 2,408.99 : x
  2. Step 2: Convert to fraction form
    4,087.51/5,640.95 = 2,408.99/x
  3. Step 3: Cross multiply
    4,087.51x = 5,640.95 × 2,408.99
  4. Step 4: Simplify right side
    4,087.51x = 13,589,008.23
  5. Step 5: Solve for x
    x = 13,589,008.23/4,087.51
  6. Step 6: Final answer
    x = 3,324.52

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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.