Home / 1,778.58-2,669.46-1,583.28

Finding the Fourth Proportional to 1,778.58, 2,669.46 and 1,583.28

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Solution

The fourth proportional to 1,778.58, 2,669.46 and 1,583.28 is: 2,376.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778.58 : 2,669.46 = 1,583.28 : x
  2. Step 2: Convert to fraction form
    1,778.58/2,669.46 = 1,583.28/x
  3. Step 3: Cross multiply
    1,778.58x = 2,669.46 × 1,583.28
  4. Step 4: Simplify right side
    1,778.58x = 4,226,502.63
  5. Step 5: Solve for x
    x = 4,226,502.63/1,778.58
  6. Step 6: Final answer
    x = 2,376.34

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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.