Home / 3,045.09-4,202.23-1,647.84

Finding the Fourth Proportional to 3,045.09, 4,202.23 and 1,647.84

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Solution

The fourth proportional to 3,045.09, 4,202.23 and 1,647.84 is: 2,274.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.09 : 4,202.23 = 1,647.84 : x
  2. Step 2: Convert to fraction form
    3,045.09/4,202.23 = 1,647.84/x
  3. Step 3: Cross multiply
    3,045.09x = 4,202.23 × 1,647.84
  4. Step 4: Simplify right side
    3,045.09x = 6,924,617.41
  5. Step 5: Solve for x
    x = 6,924,617.41/3,045.09
  6. Step 6: Final answer
    x = 2,274.02

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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.