Home / 1,984.08-2,968.97-1,487.45

Finding the Fourth Proportional to 1,984.08, 2,968.97 and 1,487.45

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Solution

The fourth proportional to 1,984.08, 2,968.97 and 1,487.45 is: 2,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.08 : 2,968.97 = 1,487.45 : x
  2. Step 2: Convert to fraction form
    1,984.08/2,968.97 = 1,487.45/x
  3. Step 3: Cross multiply
    1,984.08x = 2,968.97 × 1,487.45
  4. Step 4: Simplify right side
    1,984.08x = 4,416,172.14
  5. Step 5: Solve for x
    x = 4,416,172.14/1,984.08
  6. Step 6: Final answer
    x = 2,225.80

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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.