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Finding the Fourth Proportional to 2,539.79, 3,808.62 and 895.59

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Solution

The fourth proportional to 2,539.79, 3,808.62 and 895.59 is: 1,343.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.79 : 3,808.62 = 895.59 : x
  2. Step 2: Convert to fraction form
    2,539.79/3,808.62 = 895.59/x
  3. Step 3: Cross multiply
    2,539.79x = 3,808.62 × 895.59
  4. Step 4: Simplify right side
    2,539.79x = 3,410,961.99
  5. Step 5: Solve for x
    x = 3,410,961.99/2,539.79
  6. Step 6: Final answer
    x = 1,343.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.