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Finding the Fourth Proportional to 3,888.37, 5,830.83 and 1,114.41

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Solution

The fourth proportional to 3,888.37, 5,830.83 and 1,114.41 is: 1,671.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.37 : 5,830.83 = 1,114.41 : x
  2. Step 2: Convert to fraction form
    3,888.37/5,830.83 = 1,114.41/x
  3. Step 3: Cross multiply
    3,888.37x = 5,830.83 × 1,114.41
  4. Step 4: Simplify right side
    3,888.37x = 6,497,935.26
  5. Step 5: Solve for x
    x = 6,497,935.26/3,888.37
  6. Step 6: Final answer
    x = 1,671.12

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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.