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Finding the Fourth Proportional to 2,845.94, 4,269.11 and 899.51

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Solution

The fourth proportional to 2,845.94, 4,269.11 and 899.51 is: 1,349.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.94 : 4,269.11 = 899.51 : x
  2. Step 2: Convert to fraction form
    2,845.94/4,269.11 = 899.51/x
  3. Step 3: Cross multiply
    2,845.94x = 4,269.11 × 899.51
  4. Step 4: Simplify right side
    2,845.94x = 3,840,081.29
  5. Step 5: Solve for x
    x = 3,840,081.29/2,845.94
  6. Step 6: Final answer
    x = 1,349.32

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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.