Home / 2,307.40-3,183.94-1,299.08

Finding the Fourth Proportional to 2,307.40, 3,183.94 and 1,299.08

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Solution

The fourth proportional to 2,307.40, 3,183.94 and 1,299.08 is: 1,792.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.40 : 3,183.94 = 1,299.08 : x
  2. Step 2: Convert to fraction form
    2,307.40/3,183.94 = 1,299.08/x
  3. Step 3: Cross multiply
    2,307.40x = 3,183.94 × 1,299.08
  4. Step 4: Simplify right side
    2,307.40x = 4,136,192.78
  5. Step 5: Solve for x
    x = 4,136,192.78/2,307.40
  6. Step 6: Final answer
    x = 1,792.58

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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.