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Finding the Fourth Proportional to 3,848.86, 5,772.72 and 1,075.24

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Solution

The fourth proportional to 3,848.86, 5,772.72 and 1,075.24 is: 1,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.86 : 5,772.72 = 1,075.24 : x
  2. Step 2: Convert to fraction form
    3,848.86/5,772.72 = 1,075.24/x
  3. Step 3: Cross multiply
    3,848.86x = 5,772.72 × 1,075.24
  4. Step 4: Simplify right side
    3,848.86x = 6,207,059.45
  5. Step 5: Solve for x
    x = 6,207,059.45/3,848.86
  6. Step 6: Final answer
    x = 1,612.70

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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.