Home / 2,258.11-3,385.34-2,075.86

Finding the Fourth Proportional to 2,258.11, 3,385.34 and 2,075.86

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Solution

The fourth proportional to 2,258.11, 3,385.34 and 2,075.86 is: 3,112.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.11 : 3,385.34 = 2,075.86 : x
  2. Step 2: Convert to fraction form
    2,258.11/3,385.34 = 2,075.86/x
  3. Step 3: Cross multiply
    2,258.11x = 3,385.34 × 2,075.86
  4. Step 4: Simplify right side
    2,258.11x = 7,027,478.24
  5. Step 5: Solve for x
    x = 7,027,478.24/2,258.11
  6. Step 6: Final answer
    x = 3,112.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.