Home / 2,107.60-2,924.36-2,047.12

Finding the Fourth Proportional to 2,107.60, 2,924.36 and 2,047.12

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Solution

The fourth proportional to 2,107.60, 2,924.36 and 2,047.12 is: 2,840.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.60 : 2,924.36 = 2,047.12 : x
  2. Step 2: Convert to fraction form
    2,107.60/2,924.36 = 2,047.12/x
  3. Step 3: Cross multiply
    2,107.60x = 2,924.36 × 2,047.12
  4. Step 4: Simplify right side
    2,107.60x = 5,986,515.84
  5. Step 5: Solve for x
    x = 5,986,515.84/2,107.60
  6. Step 6: Final answer
    x = 2,840.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.