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Finding the Fourth Proportional to 2,840.08, 3,919.04 and 2,094.45

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Solution

The fourth proportional to 2,840.08, 3,919.04 and 2,094.45 is: 2,890.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.08 : 3,919.04 = 2,094.45 : x
  2. Step 2: Convert to fraction form
    2,840.08/3,919.04 = 2,094.45/x
  3. Step 3: Cross multiply
    2,840.08x = 3,919.04 × 2,094.45
  4. Step 4: Simplify right side
    2,840.08x = 8,208,233.33
  5. Step 5: Solve for x
    x = 8,208,233.33/2,840.08
  6. Step 6: Final answer
    x = 2,890.14

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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.