Home / 2,307.16-3,183.77-1,298.81

Finding the Fourth Proportional to 2,307.16, 3,183.77 and 1,298.81

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Solution

The fourth proportional to 2,307.16, 3,183.77 and 1,298.81 is: 1,792.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.16 : 3,183.77 = 1,298.81 : x
  2. Step 2: Convert to fraction form
    2,307.16/3,183.77 = 1,298.81/x
  3. Step 3: Cross multiply
    2,307.16x = 3,183.77 × 1,298.81
  4. Step 4: Simplify right side
    2,307.16x = 4,135,089.90
  5. Step 5: Solve for x
    x = 4,135,089.90/2,307.16
  6. Step 6: Final answer
    x = 1,792.29

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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.