Home / 3,045.06-4,202.16-1,647.80

Finding the Fourth Proportional to 3,045.06, 4,202.16 and 1,647.80

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Solution

The fourth proportional to 3,045.06, 4,202.16 and 1,647.80 is: 2,273.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.06 : 4,202.16 = 1,647.80 : x
  2. Step 2: Convert to fraction form
    3,045.06/4,202.16 = 1,647.80/x
  3. Step 3: Cross multiply
    3,045.06x = 4,202.16 × 1,647.80
  4. Step 4: Simplify right side
    3,045.06x = 6,924,319.25
  5. Step 5: Solve for x
    x = 6,924,319.25/3,045.06
  6. Step 6: Final answer
    x = 2,273.95

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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.