Home / 3,812.64-5,260.44-2,320.24

Finding the Fourth Proportional to 3,812.64, 5,260.44 and 2,320.24

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Solution

The fourth proportional to 3,812.64, 5,260.44 and 2,320.24 is: 3,201.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.64 : 5,260.44 = 2,320.24 : x
  2. Step 2: Convert to fraction form
    3,812.64/5,260.44 = 2,320.24/x
  3. Step 3: Cross multiply
    3,812.64x = 5,260.44 × 2,320.24
  4. Step 4: Simplify right side
    3,812.64x = 12,205,483.31
  5. Step 5: Solve for x
    x = 12,205,483.31/3,812.64
  6. Step 6: Final answer
    x = 3,201.32

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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.