Home / 2,307.00-3,183.39-1,312.07

Finding the Fourth Proportional to 2,307.00, 3,183.39 and 1,312.07

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Solution

The fourth proportional to 2,307.00, 3,183.39 and 1,312.07 is: 1,810.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.00 : 3,183.39 = 1,312.07 : x
  2. Step 2: Convert to fraction form
    2,307.00/3,183.39 = 1,312.07/x
  3. Step 3: Cross multiply
    2,307.00x = 3,183.39 × 1,312.07
  4. Step 4: Simplify right side
    2,307.00x = 4,176,814.60
  5. Step 5: Solve for x
    x = 4,176,814.60/2,307.00
  6. Step 6: Final answer
    x = 1,810.50

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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.