Home / 2,805.12-4,225.32-2,632.32

Finding the Fourth Proportional to 2,805.12, 4,225.32 and 2,632.32

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Solution

The fourth proportional to 2,805.12, 4,225.32 and 2,632.32 is: 3,965.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805.12 : 4,225.32 = 2,632.32 : x
  2. Step 2: Convert to fraction form
    2,805.12/4,225.32 = 2,632.32/x
  3. Step 3: Cross multiply
    2,805.12x = 4,225.32 × 2,632.32
  4. Step 4: Simplify right side
    2,805.12x = 11,122,394.34
  5. Step 5: Solve for x
    x = 11,122,394.34/2,805.12
  6. Step 6: Final answer
    x = 3,965.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.