Home / 2,089.70-3,130.29-1,676.60

Finding the Fourth Proportional to 2,089.70, 3,130.29 and 1,676.60

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Solution

The fourth proportional to 2,089.70, 3,130.29 and 1,676.60 is: 2,511.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.70 : 3,130.29 = 1,676.60 : x
  2. Step 2: Convert to fraction form
    2,089.70/3,130.29 = 1,676.60/x
  3. Step 3: Cross multiply
    2,089.70x = 3,130.29 × 1,676.60
  4. Step 4: Simplify right side
    2,089.70x = 5,248,228.56
  5. Step 5: Solve for x
    x = 5,248,228.56/2,089.70
  6. Step 6: Final answer
    x = 2,511.48

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1.5x scale

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.