Home / 2,765.30-3,820.97-2,210.35

Finding the Fourth Proportional to 2,765.30, 3,820.97 and 2,210.35

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Solution

The fourth proportional to 2,765.30, 3,820.97 and 2,210.35 is: 3,054.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.30 : 3,820.97 = 2,210.35 : x
  2. Step 2: Convert to fraction form
    2,765.30/3,820.97 = 2,210.35/x
  3. Step 3: Cross multiply
    2,765.30x = 3,820.97 × 2,210.35
  4. Step 4: Simplify right side
    2,765.30x = 8,445,650.88
  5. Step 5: Solve for x
    x = 8,445,650.88/2,765.30
  6. Step 6: Final answer
    x = 3,054.16

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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.