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Finding the Fourth Proportional to 2,299.40, 3,448.05 and 655.56

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Solution

The fourth proportional to 2,299.40, 3,448.05 and 655.56 is: 983.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.40 : 3,448.05 = 655.56 : x
  2. Step 2: Convert to fraction form
    2,299.40/3,448.05 = 655.56/x
  3. Step 3: Cross multiply
    2,299.40x = 3,448.05 × 655.56
  4. Step 4: Simplify right side
    2,299.40x = 2,260,403.66
  5. Step 5: Solve for x
    x = 2,260,403.66/2,299.40
  6. Step 6: Final answer
    x = 983.04

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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.