Home / 2,970.28-4,099.04-1,644.04

Finding the Fourth Proportional to 2,970.28, 4,099.04 and 1,644.04

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Solution

The fourth proportional to 2,970.28, 4,099.04 and 1,644.04 is: 2,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.28 : 4,099.04 = 1,644.04 : x
  2. Step 2: Convert to fraction form
    2,970.28/4,099.04 = 1,644.04/x
  3. Step 3: Cross multiply
    2,970.28x = 4,099.04 × 1,644.04
  4. Step 4: Simplify right side
    2,970.28x = 6,738,985.72
  5. Step 5: Solve for x
    x = 6,738,985.72/2,970.28
  6. Step 6: Final answer
    x = 2,268.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.