Home / 4,113.96-5,676.60-2,345.28

Finding the Fourth Proportional to 4,113.96, 5,676.60 and 2,345.28

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Solution

The fourth proportional to 4,113.96, 5,676.60 and 2,345.28 is: 3,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.96 : 5,676.60 = 2,345.28 : x
  2. Step 2: Convert to fraction form
    4,113.96/5,676.60 = 2,345.28/x
  3. Step 3: Cross multiply
    4,113.96x = 5,676.60 × 2,345.28
  4. Step 4: Simplify right side
    4,113.96x = 13,313,216.45
  5. Step 5: Solve for x
    x = 13,313,216.45/4,113.96
  6. Step 6: Final answer
    x = 3,236.11

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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.