Home / 1,830.70-2,526.33-1,131.67

Finding the Fourth Proportional to 1,830.70, 2,526.33 and 1,131.67

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Solution

The fourth proportional to 1,830.70, 2,526.33 and 1,131.67 is: 1,561.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.70 : 2,526.33 = 1,131.67 : x
  2. Step 2: Convert to fraction form
    1,830.70/2,526.33 = 1,131.67/x
  3. Step 3: Cross multiply
    1,830.70x = 2,526.33 × 1,131.67
  4. Step 4: Simplify right side
    1,830.70x = 2,858,971.87
  5. Step 5: Solve for x
    x = 2,858,971.87/1,830.70
  6. Step 6: Final answer
    x = 1,561.68

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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.