Home / 2,683.89-4,006.44-2,491.65

Finding the Fourth Proportional to 2,683.89, 4,006.44 and 2,491.65

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Solution

The fourth proportional to 2,683.89, 4,006.44 and 2,491.65 is: 3,719.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.89 : 4,006.44 = 2,491.65 : x
  2. Step 2: Convert to fraction form
    2,683.89/4,006.44 = 2,491.65/x
  3. Step 3: Cross multiply
    2,683.89x = 4,006.44 × 2,491.65
  4. Step 4: Simplify right side
    2,683.89x = 9,982,646.23
  5. Step 5: Solve for x
    x = 9,982,646.23/2,683.89
  6. Step 6: Final answer
    x = 3,719.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.