Home / 2,911.40-4,360.16-1,676.22

Finding the Fourth Proportional to 2,911.40, 4,360.16 and 1,676.22

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Solution

The fourth proportional to 2,911.40, 4,360.16 and 1,676.22 is: 2,510.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.40 : 4,360.16 = 1,676.22 : x
  2. Step 2: Convert to fraction form
    2,911.40/4,360.16 = 1,676.22/x
  3. Step 3: Cross multiply
    2,911.40x = 4,360.16 × 1,676.22
  4. Step 4: Simplify right side
    2,911.40x = 7,308,579.01
  5. Step 5: Solve for x
    x = 7,308,579.01/2,911.40
  6. Step 6: Final answer
    x = 2,510.33

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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.