Home / 3,042.95-4,199.27-1,645.70

Finding the Fourth Proportional to 3,042.95, 4,199.27 and 1,645.70

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Solution

The fourth proportional to 3,042.95, 4,199.27 and 1,645.70 is: 2,271.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.95 : 4,199.27 = 1,645.70 : x
  2. Step 2: Convert to fraction form
    3,042.95/4,199.27 = 1,645.70/x
  3. Step 3: Cross multiply
    3,042.95x = 4,199.27 × 1,645.70
  4. Step 4: Simplify right side
    3,042.95x = 6,910,709.41
  5. Step 5: Solve for x
    x = 6,910,709.41/3,042.95
  6. Step 6: Final answer
    x = 2,271.06

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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.