Home / 1,554.23-2,330.72-676.67

Finding the Fourth Proportional to 1,554.23, 2,330.72 and 676.67

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Solution

The fourth proportional to 1,554.23, 2,330.72 and 676.67 is: 1,014.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.23 : 2,330.72 = 676.67 : x
  2. Step 2: Convert to fraction form
    1,554.23/2,330.72 = 676.67/x
  3. Step 3: Cross multiply
    1,554.23x = 2,330.72 × 676.67
  4. Step 4: Simplify right side
    1,554.23x = 1,577,113.27
  5. Step 5: Solve for x
    x = 1,577,113.27/1,554.23
  6. Step 6: Final answer
    x = 1,014.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.