Home / 2,173.99-3,000.09-1,179.28

Finding the Fourth Proportional to 2,173.99, 3,000.09 and 1,179.28

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Solution

The fourth proportional to 2,173.99, 3,000.09 and 1,179.28 is: 1,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.99 : 3,000.09 = 1,179.28 : x
  2. Step 2: Convert to fraction form
    2,173.99/3,000.09 = 1,179.28/x
  3. Step 3: Cross multiply
    2,173.99x = 3,000.09 × 1,179.28
  4. Step 4: Simplify right side
    2,173.99x = 3,537,946.14
  5. Step 5: Solve for x
    x = 3,537,946.14/2,173.99
  6. Step 6: Final answer
    x = 1,627.40

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1.5x scale

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.