Home / 1,779.08-2,670.21-1,583.78

Finding the Fourth Proportional to 1,779.08, 2,670.21 and 1,583.78

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Solution

The fourth proportional to 1,779.08, 2,670.21 and 1,583.78 is: 2,377.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.08 : 2,670.21 = 1,583.78 : x
  2. Step 2: Convert to fraction form
    1,779.08/2,670.21 = 1,583.78/x
  3. Step 3: Cross multiply
    1,779.08x = 2,670.21 × 1,583.78
  4. Step 4: Simplify right side
    1,779.08x = 4,229,025.19
  5. Step 5: Solve for x
    x = 4,229,025.19/1,779.08
  6. Step 6: Final answer
    x = 2,377.09

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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.