Home / 2,076.40-3,114.60-1,102.24

Finding the Fourth Proportional to 2,076.40, 3,114.60 and 1,102.24

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Solution

The fourth proportional to 2,076.40, 3,114.60 and 1,102.24 is: 1,653.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.40 : 3,114.60 = 1,102.24 : x
  2. Step 2: Convert to fraction form
    2,076.40/3,114.60 = 1,102.24/x
  3. Step 3: Cross multiply
    2,076.40x = 3,114.60 × 1,102.24
  4. Step 4: Simplify right side
    2,076.40x = 3,433,036.70
  5. Step 5: Solve for x
    x = 3,433,036.70/2,076.40
  6. Step 6: Final answer
    x = 1,653.36

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1.5x scale

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.