Home / 2,825.20-4,259.47-2,634.64

Finding the Fourth Proportional to 2,825.20, 4,259.47 and 2,634.64

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Solution

The fourth proportional to 2,825.20, 4,259.47 and 2,634.64 is: 3,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.20 : 4,259.47 = 2,634.64 : x
  2. Step 2: Convert to fraction form
    2,825.20/4,259.47 = 2,634.64/x
  3. Step 3: Cross multiply
    2,825.20x = 4,259.47 × 2,634.64
  4. Step 4: Simplify right side
    2,825.20x = 11,222,152.81
  5. Step 5: Solve for x
    x = 11,222,152.81/2,825.20
  6. Step 6: Final answer
    x = 3,972.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.