Home / 3,091.77-4,266.71-1,675.49

Finding the Fourth Proportional to 3,091.77, 4,266.71 and 1,675.49

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Solution

The fourth proportional to 3,091.77, 4,266.71 and 1,675.49 is: 2,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.77 : 4,266.71 = 1,675.49 : x
  2. Step 2: Convert to fraction form
    3,091.77/4,266.71 = 1,675.49/x
  3. Step 3: Cross multiply
    3,091.77x = 4,266.71 × 1,675.49
  4. Step 4: Simplify right side
    3,091.77x = 7,148,816.23
  5. Step 5: Solve for x
    x = 7,148,816.23/3,091.77
  6. Step 6: Final answer
    x = 2,312.21

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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.