Home / 3,091.05-4,264.20-2,030.58

Finding the Fourth Proportional to 3,091.05, 4,264.20 and 2,030.58

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Solution

The fourth proportional to 3,091.05, 4,264.20 and 2,030.58 is: 2,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.05 : 4,264.20 = 2,030.58 : x
  2. Step 2: Convert to fraction form
    3,091.05/4,264.20 = 2,030.58/x
  3. Step 3: Cross multiply
    3,091.05x = 4,264.20 × 2,030.58
  4. Step 4: Simplify right side
    3,091.05x = 8,658,799.24
  5. Step 5: Solve for x
    x = 8,658,799.24/3,091.05
  6. Step 6: Final answer
    x = 2,801.25

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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.