Home / 2,017.14-2,783.78-1,518.90

Finding the Fourth Proportional to 2,017.14, 2,783.78 and 1,518.90

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Solution

The fourth proportional to 2,017.14, 2,783.78 and 1,518.90 is: 2,096.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.14 : 2,783.78 = 1,518.90 : x
  2. Step 2: Convert to fraction form
    2,017.14/2,783.78 = 1,518.90/x
  3. Step 3: Cross multiply
    2,017.14x = 2,783.78 × 1,518.90
  4. Step 4: Simplify right side
    2,017.14x = 4,228,283.44
  5. Step 5: Solve for x
    x = 4,228,283.44/2,017.14
  6. Step 6: Final answer
    x = 2,096.18

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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.