Home / 2,133.48-3,200.86-835.56

Finding the Fourth Proportional to 2,133.48, 3,200.86 and 835.56

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Solution

The fourth proportional to 2,133.48, 3,200.86 and 835.56 is: 1,253.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.48 : 3,200.86 = 835.56 : x
  2. Step 2: Convert to fraction form
    2,133.48/3,200.86 = 835.56/x
  3. Step 3: Cross multiply
    2,133.48x = 3,200.86 × 835.56
  4. Step 4: Simplify right side
    2,133.48x = 2,674,510.58
  5. Step 5: Solve for x
    x = 2,674,510.58/2,133.48
  6. Step 6: Final answer
    x = 1,253.59

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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.