Home / 2,508.63-3,763.80-1,122.93

Finding the Fourth Proportional to 2,508.63, 3,763.80 and 1,122.93

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Solution

The fourth proportional to 2,508.63, 3,763.80 and 1,122.93 is: 1,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,508.63 : 3,763.80 = 1,122.93 : x
  2. Step 2: Convert to fraction form
    2,508.63/3,763.80 = 1,122.93/x
  3. Step 3: Cross multiply
    2,508.63x = 3,763.80 × 1,122.93
  4. Step 4: Simplify right side
    2,508.63x = 4,226,483.93
  5. Step 5: Solve for x
    x = 4,226,483.93/2,508.63
  6. Step 6: Final answer
    x = 1,684.78

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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.