Home / 2,675.28-4,011.36-1,798.80

Finding the Fourth Proportional to 2,675.28, 4,011.36 and 1,798.80

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Solution

The fourth proportional to 2,675.28, 4,011.36 and 1,798.80 is: 2,697.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.28 : 4,011.36 = 1,798.80 : x
  2. Step 2: Convert to fraction form
    2,675.28/4,011.36 = 1,798.80/x
  3. Step 3: Cross multiply
    2,675.28x = 4,011.36 × 1,798.80
  4. Step 4: Simplify right side
    2,675.28x = 7,215,634.37
  5. Step 5: Solve for x
    x = 7,215,634.37/2,675.28
  6. Step 6: Final answer
    x = 2,697.15

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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.