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Finding the Fourth Proportional to 3,775.01, 5,660.61 and 1,309.16

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Solution

The fourth proportional to 3,775.01, 5,660.61 and 1,309.16 is: 1,963.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.01 : 5,660.61 = 1,309.16 : x
  2. Step 2: Convert to fraction form
    3,775.01/5,660.61 = 1,309.16/x
  3. Step 3: Cross multiply
    3,775.01x = 5,660.61 × 1,309.16
  4. Step 4: Simplify right side
    3,775.01x = 7,410,657.11
  5. Step 5: Solve for x
    x = 7,410,657.11/3,775.01
  6. Step 6: Final answer
    x = 1,963.09

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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.