Home / 2,760.02-4,144.12-1,119.77

Finding the Fourth Proportional to 2,760.02, 4,144.12 and 1,119.77

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Solution

The fourth proportional to 2,760.02, 4,144.12 and 1,119.77 is: 1,681.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.02 : 4,144.12 = 1,119.77 : x
  2. Step 2: Convert to fraction form
    2,760.02/4,144.12 = 1,119.77/x
  3. Step 3: Cross multiply
    2,760.02x = 4,144.12 × 1,119.77
  4. Step 4: Simplify right side
    2,760.02x = 4,640,468.81
  5. Step 5: Solve for x
    x = 4,640,468.81/2,760.02
  6. Step 6: Final answer
    x = 1,681.32

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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.