Home / 3,045.02-4,202.09-1,647.74

Finding the Fourth Proportional to 3,045.02, 4,202.09 and 1,647.74

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Solution

The fourth proportional to 3,045.02, 4,202.09 and 1,647.74 is: 2,273.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.02 : 4,202.09 = 1,647.74 : x
  2. Step 2: Convert to fraction form
    3,045.02/4,202.09 = 1,647.74/x
  3. Step 3: Cross multiply
    3,045.02x = 4,202.09 × 1,647.74
  4. Step 4: Simplify right side
    3,045.02x = 6,923,951.78
  5. Step 5: Solve for x
    x = 6,923,951.78/3,045.02
  6. Step 6: Final answer
    x = 2,273.86

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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.