Home / 2,386.07-3,295.94-1,989.04

Finding the Fourth Proportional to 2,386.07, 3,295.94 and 1,989.04

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Solution

The fourth proportional to 2,386.07, 3,295.94 and 1,989.04 is: 2,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.07 : 3,295.94 = 1,989.04 : x
  2. Step 2: Convert to fraction form
    2,386.07/3,295.94 = 1,989.04/x
  3. Step 3: Cross multiply
    2,386.07x = 3,295.94 × 1,989.04
  4. Step 4: Simplify right side
    2,386.07x = 6,555,735.05
  5. Step 5: Solve for x
    x = 6,555,735.05/2,386.07
  6. Step 6: Final answer
    x = 2,747.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.