Home / 2,954.45-4,415.35-2,783.74

Finding the Fourth Proportional to 2,954.45, 4,415.35 and 2,783.74

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Solution

The fourth proportional to 2,954.45, 4,415.35 and 2,783.74 is: 4,160.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.45 : 4,415.35 = 2,783.74 : x
  2. Step 2: Convert to fraction form
    2,954.45/4,415.35 = 2,783.74/x
  3. Step 3: Cross multiply
    2,954.45x = 4,415.35 × 2,783.74
  4. Step 4: Simplify right side
    2,954.45x = 12,291,184.97
  5. Step 5: Solve for x
    x = 12,291,184.97/2,954.45
  6. Step 6: Final answer
    x = 4,160.23

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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.