Home / 1,676.85-2,514.06-1,127.67

Finding the Fourth Proportional to 1,676.85, 2,514.06 and 1,127.67

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Solution

The fourth proportional to 1,676.85, 2,514.06 and 1,127.67 is: 1,690.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.85 : 2,514.06 = 1,127.67 : x
  2. Step 2: Convert to fraction form
    1,676.85/2,514.06 = 1,127.67/x
  3. Step 3: Cross multiply
    1,676.85x = 2,514.06 × 1,127.67
  4. Step 4: Simplify right side
    1,676.85x = 2,835,030.04
  5. Step 5: Solve for x
    x = 2,835,030.04/1,676.85
  6. Step 6: Final answer
    x = 1,690.69

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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.