Home / 2,926.44-4,386.60-1,281.60

Finding the Fourth Proportional to 2,926.44, 4,386.60 and 1,281.60

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Solution

The fourth proportional to 2,926.44, 4,386.60 and 1,281.60 is: 1,921.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.44 : 4,386.60 = 1,281.60 : x
  2. Step 2: Convert to fraction form
    2,926.44/4,386.60 = 1,281.60/x
  3. Step 3: Cross multiply
    2,926.44x = 4,386.60 × 1,281.60
  4. Step 4: Simplify right side
    2,926.44x = 5,621,866.56
  5. Step 5: Solve for x
    x = 5,621,866.56/2,926.44
  6. Step 6: Final answer
    x = 1,921.06

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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.