Home / 2,930.22-4,395.12-1,264.27

Finding the Fourth Proportional to 2,930.22, 4,395.12 and 1,264.27

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Solution

The fourth proportional to 2,930.22, 4,395.12 and 1,264.27 is: 1,896.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.22 : 4,395.12 = 1,264.27 : x
  2. Step 2: Convert to fraction form
    2,930.22/4,395.12 = 1,264.27/x
  3. Step 3: Cross multiply
    2,930.22x = 4,395.12 × 1,264.27
  4. Step 4: Simplify right side
    2,930.22x = 5,556,618.36
  5. Step 5: Solve for x
    x = 5,556,618.36/2,930.22
  6. Step 6: Final answer
    x = 1,896.31

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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.