Home / 2,836.41-3,913.41-1,657.45

Finding the Fourth Proportional to 2,836.41, 3,913.41 and 1,657.45

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Solution

The fourth proportional to 2,836.41, 3,913.41 and 1,657.45 is: 2,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.41 : 3,913.41 = 1,657.45 : x
  2. Step 2: Convert to fraction form
    2,836.41/3,913.41 = 1,657.45/x
  3. Step 3: Cross multiply
    2,836.41x = 3,913.41 × 1,657.45
  4. Step 4: Simplify right side
    2,836.41x = 6,486,281.40
  5. Step 5: Solve for x
    x = 6,486,281.40/2,836.41
  6. Step 6: Final answer
    x = 2,286.79

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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.