Home / 2,962.80-4,439.88-1,664.64

Finding the Fourth Proportional to 2,962.80, 4,439.88 and 1,664.64

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Solution

The fourth proportional to 2,962.80, 4,439.88 and 1,664.64 is: 2,494.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.80 : 4,439.88 = 1,664.64 : x
  2. Step 2: Convert to fraction form
    2,962.80/4,439.88 = 1,664.64/x
  3. Step 3: Cross multiply
    2,962.80x = 4,439.88 × 1,664.64
  4. Step 4: Simplify right side
    2,962.80x = 7,390,801.84
  5. Step 5: Solve for x
    x = 7,390,801.84/2,962.80
  6. Step 6: Final answer
    x = 2,494.53

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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.