Home / 1,554.17-2,331.20-676.67

Finding the Fourth Proportional to 1,554.17, 2,331.20 and 676.67

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Solution

The fourth proportional to 1,554.17, 2,331.20 and 676.67 is: 1,014.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.17 : 2,331.20 = 676.67 : x
  2. Step 2: Convert to fraction form
    1,554.17/2,331.20 = 676.67/x
  3. Step 3: Cross multiply
    1,554.17x = 2,331.20 × 676.67
  4. Step 4: Simplify right side
    1,554.17x = 1,577,453.10
  5. Step 5: Solve for x
    x = 1,577,453.10/1,554.17
  6. Step 6: Final answer
    x = 1,014.98

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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.