Home / 2,990.46-4,485.70-2,063.28

Finding the Fourth Proportional to 2,990.46, 4,485.70 and 2,063.28

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Solution

The fourth proportional to 2,990.46, 4,485.70 and 2,063.28 is: 3,094.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990.46 : 4,485.70 = 2,063.28 : x
  2. Step 2: Convert to fraction form
    2,990.46/4,485.70 = 2,063.28/x
  3. Step 3: Cross multiply
    2,990.46x = 4,485.70 × 2,063.28
  4. Step 4: Simplify right side
    2,990.46x = 9,255,255.10
  5. Step 5: Solve for x
    x = 9,255,255.10/2,990.46
  6. Step 6: Final answer
    x = 3,094.93

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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.