Home / 1,336.30-1,846.87-1,174.23

Finding the Fourth Proportional to 1,336.30, 1,846.87 and 1,174.23

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Solution

The fourth proportional to 1,336.30, 1,846.87 and 1,174.23 is: 1,622.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.30 : 1,846.87 = 1,174.23 : x
  2. Step 2: Convert to fraction form
    1,336.30/1,846.87 = 1,174.23/x
  3. Step 3: Cross multiply
    1,336.30x = 1,846.87 × 1,174.23
  4. Step 4: Simplify right side
    1,336.30x = 2,168,647.22
  5. Step 5: Solve for x
    x = 2,168,647.22/1,336.30
  6. Step 6: Final answer
    x = 1,622.88

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1.5x scale

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.