Home / 2,835.22-4,252.56-986.26

Finding the Fourth Proportional to 2,835.22, 4,252.56 and 986.26

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Solution

The fourth proportional to 2,835.22, 4,252.56 and 986.26 is: 1,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.22 : 4,252.56 = 986.26 : x
  2. Step 2: Convert to fraction form
    2,835.22/4,252.56 = 986.26/x
  3. Step 3: Cross multiply
    2,835.22x = 4,252.56 × 986.26
  4. Step 4: Simplify right side
    2,835.22x = 4,194,129.83
  5. Step 5: Solve for x
    x = 4,194,129.83/2,835.22
  6. Step 6: Final answer
    x = 1,479.30

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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.