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Finding the Fourth Proportional to 1,895.52, 2,845.94 and 971.74

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Solution

The fourth proportional to 1,895.52, 2,845.94 and 971.74 is: 1,458.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.52 : 2,845.94 = 971.74 : x
  2. Step 2: Convert to fraction form
    1,895.52/2,845.94 = 971.74/x
  3. Step 3: Cross multiply
    1,895.52x = 2,845.94 × 971.74
  4. Step 4: Simplify right side
    1,895.52x = 2,765,513.74
  5. Step 5: Solve for x
    x = 2,765,513.74/1,895.52
  6. Step 6: Final answer
    x = 1,458.97

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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.