Home / 1,454.72-2,183.04-1,356.80

Finding the Fourth Proportional to 1,454.72, 2,183.04 and 1,356.80

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Solution

The fourth proportional to 1,454.72, 2,183.04 and 1,356.80 is: 2,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.72 : 2,183.04 = 1,356.80 : x
  2. Step 2: Convert to fraction form
    1,454.72/2,183.04 = 1,356.80/x
  3. Step 3: Cross multiply
    1,454.72x = 2,183.04 × 1,356.80
  4. Step 4: Simplify right side
    1,454.72x = 2,961,948.67
  5. Step 5: Solve for x
    x = 2,961,948.67/1,454.72
  6. Step 6: Final answer
    x = 2,036.10

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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.