Home / 2,174.04-3,000.18-1,277.60

Finding the Fourth Proportional to 2,174.04, 3,000.18 and 1,277.60

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Solution

The fourth proportional to 2,174.04, 3,000.18 and 1,277.60 is: 1,763.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.04 : 3,000.18 = 1,277.60 : x
  2. Step 2: Convert to fraction form
    2,174.04/3,000.18 = 1,277.60/x
  3. Step 3: Cross multiply
    2,174.04x = 3,000.18 × 1,277.60
  4. Step 4: Simplify right side
    2,174.04x = 3,833,029.97
  5. Step 5: Solve for x
    x = 3,833,029.97/2,174.04
  6. Step 6: Final answer
    x = 1,763.09

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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.