Home / 2,935.80-4,392.90-2,676.60

Finding the Fourth Proportional to 2,935.80, 4,392.90 and 2,676.60

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Solution

The fourth proportional to 2,935.80, 4,392.90 and 2,676.60 is: 4,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.80 : 4,392.90 = 2,676.60 : x
  2. Step 2: Convert to fraction form
    2,935.80/4,392.90 = 2,676.60/x
  3. Step 3: Cross multiply
    2,935.80x = 4,392.90 × 2,676.60
  4. Step 4: Simplify right side
    2,935.80x = 11,758,036.14
  5. Step 5: Solve for x
    x = 11,758,036.14/2,935.80
  6. Step 6: Final answer
    x = 4,005.05

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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.