Home / 4,112.49-5,676.12-2,620.05

Finding the Fourth Proportional to 4,112.49, 5,676.12 and 2,620.05

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Solution

The fourth proportional to 4,112.49, 5,676.12 and 2,620.05 is: 3,616.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.49 : 5,676.12 = 2,620.05 : x
  2. Step 2: Convert to fraction form
    4,112.49/5,676.12 = 2,620.05/x
  3. Step 3: Cross multiply
    4,112.49x = 5,676.12 × 2,620.05
  4. Step 4: Simplify right side
    4,112.49x = 14,871,718.21
  5. Step 5: Solve for x
    x = 14,871,718.21/4,112.49
  6. Step 6: Final answer
    x = 3,616.23

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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.