Home / 4,113.28-5,676.58-2,345.05

Finding the Fourth Proportional to 4,113.28, 5,676.58 and 2,345.05

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Solution

The fourth proportional to 4,113.28, 5,676.58 and 2,345.05 is: 3,236.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.28 : 5,676.58 = 2,345.05 : x
  2. Step 2: Convert to fraction form
    4,113.28/5,676.58 = 2,345.05/x
  3. Step 3: Cross multiply
    4,113.28x = 5,676.58 × 2,345.05
  4. Step 4: Simplify right side
    4,113.28x = 13,311,873.96
  5. Step 5: Solve for x
    x = 13,311,873.96/4,113.28
  6. Step 6: Final answer
    x = 3,236.32

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Half scale
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Double scale
Find fourth proportional to 4,114.28, 5,677.96 and 2,346.05
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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.