Home / 2,763.20-3,811.80-1,700.60

Finding the Fourth Proportional to 2,763.20, 3,811.80 and 1,700.60

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Solution

The fourth proportional to 2,763.20, 3,811.80 and 1,700.60 is: 2,345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.20 : 3,811.80 = 1,700.60 : x
  2. Step 2: Convert to fraction form
    2,763.20/3,811.80 = 1,700.60/x
  3. Step 3: Cross multiply
    2,763.20x = 3,811.80 × 1,700.60
  4. Step 4: Simplify right side
    2,763.20x = 6,482,347.08
  5. Step 5: Solve for x
    x = 6,482,347.08/2,763.20
  6. Step 6: Final answer
    x = 2,345.96

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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.