Home / 2,289.97-3,160.32-1,295.35

Finding the Fourth Proportional to 2,289.97, 3,160.32 and 1,295.35

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Solution

The fourth proportional to 2,289.97, 3,160.32 and 1,295.35 is: 1,787.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.97 : 3,160.32 = 1,295.35 : x
  2. Step 2: Convert to fraction form
    2,289.97/3,160.32 = 1,295.35/x
  3. Step 3: Cross multiply
    2,289.97x = 3,160.32 × 1,295.35
  4. Step 4: Simplify right side
    2,289.97x = 4,093,720.51
  5. Step 5: Solve for x
    x = 4,093,720.51/2,289.97
  6. Step 6: Final answer
    x = 1,787.67

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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.