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Finding the Fourth Proportional to 2,986.77, 4,480.44 and 795.63

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Solution

The fourth proportional to 2,986.77, 4,480.44 and 795.63 is: 1,193.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.77 : 4,480.44 = 795.63 : x
  2. Step 2: Convert to fraction form
    2,986.77/4,480.44 = 795.63/x
  3. Step 3: Cross multiply
    2,986.77x = 4,480.44 × 795.63
  4. Step 4: Simplify right side
    2,986.77x = 3,564,772.48
  5. Step 5: Solve for x
    x = 3,564,772.48/2,986.77
  6. Step 6: Final answer
    x = 1,193.52

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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.