Home / 3,091.82-4,266.64-1,675.45

Finding the Fourth Proportional to 3,091.82, 4,266.64 and 1,675.45

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Solution

The fourth proportional to 3,091.82, 4,266.64 and 1,675.45 is: 2,312.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.82 : 4,266.64 = 1,675.45 : x
  2. Step 2: Convert to fraction form
    3,091.82/4,266.64 = 1,675.45/x
  3. Step 3: Cross multiply
    3,091.82x = 4,266.64 × 1,675.45
  4. Step 4: Simplify right side
    3,091.82x = 7,148,531.32
  5. Step 5: Solve for x
    x = 7,148,531.32/3,091.82
  6. Step 6: Final answer
    x = 2,312.08

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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.