Home / 2,698.95-4,047.05-1,236.85

Finding the Fourth Proportional to 2,698.95, 4,047.05 and 1,236.85

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Solution

The fourth proportional to 2,698.95, 4,047.05 and 1,236.85 is: 1,854.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.95 : 4,047.05 = 1,236.85 : x
  2. Step 2: Convert to fraction form
    2,698.95/4,047.05 = 1,236.85/x
  3. Step 3: Cross multiply
    2,698.95x = 4,047.05 × 1,236.85
  4. Step 4: Simplify right side
    2,698.95x = 5,005,567.37
  5. Step 5: Solve for x
    x = 5,005,567.37/2,698.95
  6. Step 6: Final answer
    x = 1,854.64

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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.