Home / 2,724.36-3,762.72-1,838.63

Finding the Fourth Proportional to 2,724.36, 3,762.72 and 1,838.63

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Solution

The fourth proportional to 2,724.36, 3,762.72 and 1,838.63 is: 2,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.36 : 3,762.72 = 1,838.63 : x
  2. Step 2: Convert to fraction form
    2,724.36/3,762.72 = 1,838.63/x
  3. Step 3: Cross multiply
    2,724.36x = 3,762.72 × 1,838.63
  4. Step 4: Simplify right side
    2,724.36x = 6,918,231.06
  5. Step 5: Solve for x
    x = 6,918,231.06/2,724.36
  6. Step 6: Final answer
    x = 2,539.40

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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.