Home / 1,905.42-2,629.46-1,066.11

Finding the Fourth Proportional to 1,905.42, 2,629.46 and 1,066.11

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Solution

The fourth proportional to 1,905.42, 2,629.46 and 1,066.11 is: 1,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.42 : 2,629.46 = 1,066.11 : x
  2. Step 2: Convert to fraction form
    1,905.42/2,629.46 = 1,066.11/x
  3. Step 3: Cross multiply
    1,905.42x = 2,629.46 × 1,066.11
  4. Step 4: Simplify right side
    1,905.42x = 2,803,288.27
  5. Step 5: Solve for x
    x = 2,803,288.27/1,905.42
  6. Step 6: Final answer
    x = 1,471.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.