Home / 2,835.18-3,907.98-2,135.34

Finding the Fourth Proportional to 2,835.18, 3,907.98 and 2,135.34

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Solution

The fourth proportional to 2,835.18, 3,907.98 and 2,135.34 is: 2,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.18 : 3,907.98 = 2,135.34 : x
  2. Step 2: Convert to fraction form
    2,835.18/3,907.98 = 2,135.34/x
  3. Step 3: Cross multiply
    2,835.18x = 3,907.98 × 2,135.34
  4. Step 4: Simplify right side
    2,835.18x = 8,344,866.01
  5. Step 5: Solve for x
    x = 8,344,866.01/2,835.18
  6. Step 6: Final answer
    x = 2,943.33

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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.