Home / 3,162.40-4,365.06-1,836.70

Finding the Fourth Proportional to 3,162.40, 4,365.06 and 1,836.70

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Solution

The fourth proportional to 3,162.40, 4,365.06 and 1,836.70 is: 2,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.40 : 4,365.06 = 1,836.70 : x
  2. Step 2: Convert to fraction form
    3,162.40/4,365.06 = 1,836.70/x
  3. Step 3: Cross multiply
    3,162.40x = 4,365.06 × 1,836.70
  4. Step 4: Simplify right side
    3,162.40x = 8,017,305.70
  5. Step 5: Solve for x
    x = 8,017,305.70/3,162.40
  6. Step 6: Final answer
    x = 2,535.20

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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.