Home / 3,162.90-4,364.46-1,836.34

Finding the Fourth Proportional to 3,162.90, 4,364.46 and 1,836.34

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Solution

The fourth proportional to 3,162.90, 4,364.46 and 1,836.34 is: 2,533.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.90 : 4,364.46 = 1,836.34 : x
  2. Step 2: Convert to fraction form
    3,162.90/4,364.46 = 1,836.34/x
  3. Step 3: Cross multiply
    3,162.90x = 4,364.46 × 1,836.34
  4. Step 4: Simplify right side
    3,162.90x = 8,014,637.07
  5. Step 5: Solve for x
    x = 8,014,637.07/3,162.90
  6. Step 6: Final answer
    x = 2,533.96

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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.