Home / 3,106.31-4,657.99-1,130.54

Finding the Fourth Proportional to 3,106.31, 4,657.99 and 1,130.54

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Solution

The fourth proportional to 3,106.31, 4,657.99 and 1,130.54 is: 1,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.31 : 4,657.99 = 1,130.54 : x
  2. Step 2: Convert to fraction form
    3,106.31/4,657.99 = 1,130.54/x
  3. Step 3: Cross multiply
    3,106.31x = 4,657.99 × 1,130.54
  4. Step 4: Simplify right side
    3,106.31x = 5,266,052.83
  5. Step 5: Solve for x
    x = 5,266,052.83/3,106.31
  6. Step 6: Final answer
    x = 1,695.28

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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.