Home / 2,835.35-4,252.75-986.39

Finding the Fourth Proportional to 2,835.35, 4,252.75 and 986.39

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Solution

The fourth proportional to 2,835.35, 4,252.75 and 986.39 is: 1,479.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.35 : 4,252.75 = 986.39 : x
  2. Step 2: Convert to fraction form
    2,835.35/4,252.75 = 986.39/x
  3. Step 3: Cross multiply
    2,835.35x = 4,252.75 × 986.39
  4. Step 4: Simplify right side
    2,835.35x = 4,194,846.34
  5. Step 5: Solve for x
    x = 4,194,846.34/2,835.35
  6. Step 6: Final answer
    x = 1,479.48

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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.