Home / 2,094.24-3,140.48-1,120.16

Finding the Fourth Proportional to 2,094.24, 3,140.48 and 1,120.16

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Solution

The fourth proportional to 2,094.24, 3,140.48 and 1,120.16 is: 1,679.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.24 : 3,140.48 = 1,120.16 : x
  2. Step 2: Convert to fraction form
    2,094.24/3,140.48 = 1,120.16/x
  3. Step 3: Cross multiply
    2,094.24x = 3,140.48 × 1,120.16
  4. Step 4: Simplify right side
    2,094.24x = 3,517,840.08
  5. Step 5: Solve for x
    x = 3,517,840.08/2,094.24
  6. Step 6: Final answer
    x = 1,679.77

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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.