Home / 2,520.36-3,780.54-2,010.60

Finding the Fourth Proportional to 2,520.36, 3,780.54 and 2,010.60

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Solution

The fourth proportional to 2,520.36, 3,780.54 and 2,010.60 is: 3,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.36 : 3,780.54 = 2,010.60 : x
  2. Step 2: Convert to fraction form
    2,520.36/3,780.54 = 2,010.60/x
  3. Step 3: Cross multiply
    2,520.36x = 3,780.54 × 2,010.60
  4. Step 4: Simplify right side
    2,520.36x = 7,601,153.72
  5. Step 5: Solve for x
    x = 7,601,153.72/2,520.36
  6. Step 6: Final answer
    x = 3,015.90

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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.