Home / 4,085.98-5,639.81-2,408.36

Finding the Fourth Proportional to 4,085.98, 5,639.81 and 2,408.36

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Solution

The fourth proportional to 4,085.98, 5,639.81 and 2,408.36 is: 3,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.98 : 5,639.81 = 2,408.36 : x
  2. Step 2: Convert to fraction form
    4,085.98/5,639.81 = 2,408.36/x
  3. Step 3: Cross multiply
    4,085.98x = 5,639.81 × 2,408.36
  4. Step 4: Simplify right side
    4,085.98x = 13,582,652.57
  5. Step 5: Solve for x
    x = 13,582,652.57/4,085.98
  6. Step 6: Final answer
    x = 3,324.21

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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.