Home / 3,045.30-4,204.76-1,969.22

Finding the Fourth Proportional to 3,045.30, 4,204.76 and 1,969.22

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Solution

The fourth proportional to 3,045.30, 4,204.76 and 1,969.22 is: 2,718.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.30 : 4,204.76 = 1,969.22 : x
  2. Step 2: Convert to fraction form
    3,045.30/4,204.76 = 1,969.22/x
  3. Step 3: Cross multiply
    3,045.30x = 4,204.76 × 1,969.22
  4. Step 4: Simplify right side
    3,045.30x = 8,280,066.62
  5. Step 5: Solve for x
    x = 8,280,066.62/3,045.30
  6. Step 6: Final answer
    x = 2,718.97

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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.