Home / 2,742.24-3,784.64-1,798.83

Finding the Fourth Proportional to 2,742.24, 3,784.64 and 1,798.83

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Solution

The fourth proportional to 2,742.24, 3,784.64 and 1,798.83 is: 2,482.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.24 : 3,784.64 = 1,798.83 : x
  2. Step 2: Convert to fraction form
    2,742.24/3,784.64 = 1,798.83/x
  3. Step 3: Cross multiply
    2,742.24x = 3,784.64 × 1,798.83
  4. Step 4: Simplify right side
    2,742.24x = 6,807,923.97
  5. Step 5: Solve for x
    x = 6,807,923.97/2,742.24
  6. Step 6: Final answer
    x = 2,482.61

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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.