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Finding the Fourth Proportional to 1,933.86, 2,899.23 and 837.45

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Solution

The fourth proportional to 1,933.86, 2,899.23 and 837.45 is: 1,255.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.86 : 2,899.23 = 837.45 : x
  2. Step 2: Convert to fraction form
    1,933.86/2,899.23 = 837.45/x
  3. Step 3: Cross multiply
    1,933.86x = 2,899.23 × 837.45
  4. Step 4: Simplify right side
    1,933.86x = 2,427,960.16
  5. Step 5: Solve for x
    x = 2,427,960.16/1,933.86
  6. Step 6: Final answer
    x = 1,255.50

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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.