Home / 1,826.85-2,740.29-528.36

Finding the Fourth Proportional to 1,826.85, 2,740.29 and 528.36

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Solution

The fourth proportional to 1,826.85, 2,740.29 and 528.36 is: 792.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.85 : 2,740.29 = 528.36 : x
  2. Step 2: Convert to fraction form
    1,826.85/2,740.29 = 528.36/x
  3. Step 3: Cross multiply
    1,826.85x = 2,740.29 × 528.36
  4. Step 4: Simplify right side
    1,826.85x = 1,447,859.62
  5. Step 5: Solve for x
    x = 1,447,859.62/1,826.85
  6. Step 6: Final answer
    x = 792.54

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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.