Home / 3,359.06-5,038.22-860.26

Finding the Fourth Proportional to 3,359.06, 5,038.22 and 860.26

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Solution

The fourth proportional to 3,359.06, 5,038.22 and 860.26 is: 1,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.06 : 5,038.22 = 860.26 : x
  2. Step 2: Convert to fraction form
    3,359.06/5,038.22 = 860.26/x
  3. Step 3: Cross multiply
    3,359.06x = 5,038.22 × 860.26
  4. Step 4: Simplify right side
    3,359.06x = 4,334,179.14
  5. Step 5: Solve for x
    x = 4,334,179.14/3,359.06
  6. Step 6: Final answer
    x = 1,290.30

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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.