Home / 1,812.67-2,501.52-1,183.60

Finding the Fourth Proportional to 1,812.67, 2,501.52 and 1,183.60

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Solution

The fourth proportional to 1,812.67, 2,501.52 and 1,183.60 is: 1,633.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.67 : 2,501.52 = 1,183.60 : x
  2. Step 2: Convert to fraction form
    1,812.67/2,501.52 = 1,183.60/x
  3. Step 3: Cross multiply
    1,812.67x = 2,501.52 × 1,183.60
  4. Step 4: Simplify right side
    1,812.67x = 2,960,799.07
  5. Step 5: Solve for x
    x = 2,960,799.07/1,812.67
  6. Step 6: Final answer
    x = 1,633.39

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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.