Home / 4,113.68-5,676.89-2,345.31

Finding the Fourth Proportional to 4,113.68, 5,676.89 and 2,345.31

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Solution

The fourth proportional to 4,113.68, 5,676.89 and 2,345.31 is: 3,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.68 : 5,676.89 = 2,345.31 : x
  2. Step 2: Convert to fraction form
    4,113.68/5,676.89 = 2,345.31/x
  3. Step 3: Cross multiply
    4,113.68x = 5,676.89 × 2,345.31
  4. Step 4: Simplify right side
    4,113.68x = 13,314,055.16
  5. Step 5: Solve for x
    x = 13,314,055.16/4,113.68
  6. Step 6: Final answer
    x = 3,236.54

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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.