Home / 1,819.12-2,726.46-1,384.96

Finding the Fourth Proportional to 1,819.12, 2,726.46 and 1,384.96

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Solution

The fourth proportional to 1,819.12, 2,726.46 and 1,384.96 is: 2,075.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.12 : 2,726.46 = 1,384.96 : x
  2. Step 2: Convert to fraction form
    1,819.12/2,726.46 = 1,384.96/x
  3. Step 3: Cross multiply
    1,819.12x = 2,726.46 × 1,384.96
  4. Step 4: Simplify right side
    1,819.12x = 3,776,038.04
  5. Step 5: Solve for x
    x = 3,776,038.04/1,819.12
  6. Step 6: Final answer
    x = 2,075.75

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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.