Home / 1,867.41-2,786.04-1,800.18

Finding the Fourth Proportional to 1,867.41, 2,786.04 and 1,800.18

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Solution

The fourth proportional to 1,867.41, 2,786.04 and 1,800.18 is: 2,685.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.41 : 2,786.04 = 1,800.18 : x
  2. Step 2: Convert to fraction form
    1,867.41/2,786.04 = 1,800.18/x
  3. Step 3: Cross multiply
    1,867.41x = 2,786.04 × 1,800.18
  4. Step 4: Simplify right side
    1,867.41x = 5,015,373.49
  5. Step 5: Solve for x
    x = 5,015,373.49/1,867.41
  6. Step 6: Final answer
    x = 2,685.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.