Home / 2,835.50-4,252.55-986.34

Finding the Fourth Proportional to 2,835.50, 4,252.55 and 986.34

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Solution

The fourth proportional to 2,835.50, 4,252.55 and 986.34 is: 1,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.50 : 4,252.55 = 986.34 : x
  2. Step 2: Convert to fraction form
    2,835.50/4,252.55 = 986.34/x
  3. Step 3: Cross multiply
    2,835.50x = 4,252.55 × 986.34
  4. Step 4: Simplify right side
    2,835.50x = 4,194,455.24
  5. Step 5: Solve for x
    x = 4,194,455.24/2,835.50
  6. Step 6: Final answer
    x = 1,479.27

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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.