Home / 2,836.68-3,913.02-1,657.50

Finding the Fourth Proportional to 2,836.68, 3,913.02 and 1,657.50

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Solution

The fourth proportional to 2,836.68, 3,913.02 and 1,657.50 is: 2,286.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.68 : 3,913.02 = 1,657.50 : x
  2. Step 2: Convert to fraction form
    2,836.68/3,913.02 = 1,657.50/x
  3. Step 3: Cross multiply
    2,836.68x = 3,913.02 × 1,657.50
  4. Step 4: Simplify right side
    2,836.68x = 6,485,830.65
  5. Step 5: Solve for x
    x = 6,485,830.65/2,836.68
  6. Step 6: Final answer
    x = 2,286.42

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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.