Home / 2,870.32-4,299.78-1,893.46

Finding the Fourth Proportional to 2,870.32, 4,299.78 and 1,893.46

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Solution

The fourth proportional to 2,870.32, 4,299.78 and 1,893.46 is: 2,836.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870.32 : 4,299.78 = 1,893.46 : x
  2. Step 2: Convert to fraction form
    2,870.32/4,299.78 = 1,893.46/x
  3. Step 3: Cross multiply
    2,870.32x = 4,299.78 × 1,893.46
  4. Step 4: Simplify right side
    2,870.32x = 8,141,461.44
  5. Step 5: Solve for x
    x = 8,141,461.44/2,870.32
  6. Step 6: Final answer
    x = 2,836.43

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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.