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Finding the Fourth Proportional to 3,996.70, 5,994.51 and 1,075.18

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Solution

The fourth proportional to 3,996.70, 5,994.51 and 1,075.18 is: 1,612.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.70 : 5,994.51 = 1,075.18 : x
  2. Step 2: Convert to fraction form
    3,996.70/5,994.51 = 1,075.18/x
  3. Step 3: Cross multiply
    3,996.70x = 5,994.51 × 1,075.18
  4. Step 4: Simplify right side
    3,996.70x = 6,445,177.26
  5. Step 5: Solve for x
    x = 6,445,177.26/3,996.70
  6. Step 6: Final answer
    x = 1,612.62

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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.