Home / 3,317.45-4,576.90-2,057.20

Finding the Fourth Proportional to 3,317.45, 4,576.90 and 2,057.20

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Solution

The fourth proportional to 3,317.45, 4,576.90 and 2,057.20 is: 2,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.45 : 4,576.90 = 2,057.20 : x
  2. Step 2: Convert to fraction form
    3,317.45/4,576.90 = 2,057.20/x
  3. Step 3: Cross multiply
    3,317.45x = 4,576.90 × 2,057.20
  4. Step 4: Simplify right side
    3,317.45x = 9,415,598.68
  5. Step 5: Solve for x
    x = 9,415,598.68/3,317.45
  6. Step 6: Final answer
    x = 2,838.20

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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.