Home / 2,119.44-3,181.02-1,570.20

Finding the Fourth Proportional to 2,119.44, 3,181.02 and 1,570.20

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Solution

The fourth proportional to 2,119.44, 3,181.02 and 1,570.20 is: 2,356.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.44 : 3,181.02 = 1,570.20 : x
  2. Step 2: Convert to fraction form
    2,119.44/3,181.02 = 1,570.20/x
  3. Step 3: Cross multiply
    2,119.44x = 3,181.02 × 1,570.20
  4. Step 4: Simplify right side
    2,119.44x = 4,994,837.60
  5. Step 5: Solve for x
    x = 4,994,837.60/2,119.44
  6. Step 6: Final answer
    x = 2,356.68

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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.