Home / 2,911.36-4,366.59-963.58

Finding the Fourth Proportional to 2,911.36, 4,366.59 and 963.58

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Solution

The fourth proportional to 2,911.36, 4,366.59 and 963.58 is: 1,445.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.36 : 4,366.59 = 963.58 : x
  2. Step 2: Convert to fraction form
    2,911.36/4,366.59 = 963.58/x
  3. Step 3: Cross multiply
    2,911.36x = 4,366.59 × 963.58
  4. Step 4: Simplify right side
    2,911.36x = 4,207,558.79
  5. Step 5: Solve for x
    x = 4,207,558.79/2,911.36
  6. Step 6: Final answer
    x = 1,445.22

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1.5x scale

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.