Home / 2,827.37-3,899.77-1,765.67

Finding the Fourth Proportional to 2,827.37, 3,899.77 and 1,765.67

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Solution

The fourth proportional to 2,827.37, 3,899.77 and 1,765.67 is: 2,435.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.37 : 3,899.77 = 1,765.67 : x
  2. Step 2: Convert to fraction form
    2,827.37/3,899.77 = 1,765.67/x
  3. Step 3: Cross multiply
    2,827.37x = 3,899.77 × 1,765.67
  4. Step 4: Simplify right side
    2,827.37x = 6,885,682.98
  5. Step 5: Solve for x
    x = 6,885,682.98/2,827.37
  6. Step 6: Final answer
    x = 2,435.36

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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.