Home / 1,484.72-2,229.96-1,228.28

Finding the Fourth Proportional to 1,484.72, 2,229.96 and 1,228.28

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Solution

The fourth proportional to 1,484.72, 2,229.96 and 1,228.28 is: 1,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.72 : 2,229.96 = 1,228.28 : x
  2. Step 2: Convert to fraction form
    1,484.72/2,229.96 = 1,228.28/x
  3. Step 3: Cross multiply
    1,484.72x = 2,229.96 × 1,228.28
  4. Step 4: Simplify right side
    1,484.72x = 2,739,015.27
  5. Step 5: Solve for x
    x = 2,739,015.27/1,484.72
  6. Step 6: Final answer
    x = 1,844.80

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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.