Home / 2,050.85-2,830.19-1,119.35

Finding the Fourth Proportional to 2,050.85, 2,830.19 and 1,119.35

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Solution

The fourth proportional to 2,050.85, 2,830.19 and 1,119.35 is: 1,544.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.85 : 2,830.19 = 1,119.35 : x
  2. Step 2: Convert to fraction form
    2,050.85/2,830.19 = 1,119.35/x
  3. Step 3: Cross multiply
    2,050.85x = 2,830.19 × 1,119.35
  4. Step 4: Simplify right side
    2,050.85x = 3,167,973.18
  5. Step 5: Solve for x
    x = 3,167,973.18/2,050.85
  6. Step 6: Final answer
    x = 1,544.71

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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.