Home / 1,346.06-2,017.38-1,172

Finding the Fourth Proportional to 1,346.06, 2,017.38 and 1,172

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Solution

The fourth proportional to 1,346.06, 2,017.38 and 1,172 is: 1,756.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346.06 : 2,017.38 = 1,172 : x
  2. Step 2: Convert to fraction form
    1,346.06/2,017.38 = 1,172/x
  3. Step 3: Cross multiply
    1,346.06x = 2,017.38 × 1,172
  4. Step 4: Simplify right side
    1,346.06x = 2,364,369.36
  5. Step 5: Solve for x
    x = 2,364,369.36/1,346.06
  6. Step 6: Final answer
    x = 1,756.51

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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.