Home / 2,869.58-4,303.46-1,900.82

Finding the Fourth Proportional to 2,869.58, 4,303.46 and 1,900.82

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Solution

The fourth proportional to 2,869.58, 4,303.46 and 1,900.82 is: 2,850.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.58 : 4,303.46 = 1,900.82 : x
  2. Step 2: Convert to fraction form
    2,869.58/4,303.46 = 1,900.82/x
  3. Step 3: Cross multiply
    2,869.58x = 4,303.46 × 1,900.82
  4. Step 4: Simplify right side
    2,869.58x = 8,180,102.84
  5. Step 5: Solve for x
    x = 8,180,102.84/2,869.58
  6. Step 6: Final answer
    x = 2,850.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.