Home / 1,775.23-2,450.18-1,177.76

Finding the Fourth Proportional to 1,775.23, 2,450.18 and 1,177.76

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Solution

The fourth proportional to 1,775.23, 2,450.18 and 1,177.76 is: 1,625.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.23 : 2,450.18 = 1,177.76 : x
  2. Step 2: Convert to fraction form
    1,775.23/2,450.18 = 1,177.76/x
  3. Step 3: Cross multiply
    1,775.23x = 2,450.18 × 1,177.76
  4. Step 4: Simplify right side
    1,775.23x = 2,885,708.80
  5. Step 5: Solve for x
    x = 2,885,708.80/1,775.23
  6. Step 6: Final answer
    x = 1,625.54

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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.