Home / 2,924.63-4,027.86-2,915.75

Finding the Fourth Proportional to 2,924.63, 4,027.86 and 2,915.75

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Solution

The fourth proportional to 2,924.63, 4,027.86 and 2,915.75 is: 4,015.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.63 : 4,027.86 = 2,915.75 : x
  2. Step 2: Convert to fraction form
    2,924.63/4,027.86 = 2,915.75/x
  3. Step 3: Cross multiply
    2,924.63x = 4,027.86 × 2,915.75
  4. Step 4: Simplify right side
    2,924.63x = 11,744,212.66
  5. Step 5: Solve for x
    x = 11,744,212.66/2,924.63
  6. Step 6: Final answer
    x = 4,015.63

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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.