Home / 2,050.70-2,829.81-1,119.20

Finding the Fourth Proportional to 2,050.70, 2,829.81 and 1,119.20

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Solution

The fourth proportional to 2,050.70, 2,829.81 and 1,119.20 is: 1,544.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.70 : 2,829.81 = 1,119.20 : x
  2. Step 2: Convert to fraction form
    2,050.70/2,829.81 = 1,119.20/x
  3. Step 3: Cross multiply
    2,050.70x = 2,829.81 × 1,119.20
  4. Step 4: Simplify right side
    2,050.70x = 3,167,123.35
  5. Step 5: Solve for x
    x = 3,167,123.35/2,050.70
  6. Step 6: Final answer
    x = 1,544.41

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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.