Home / 1,779.48-2,455.92-1,336.68

Finding the Fourth Proportional to 1,779.48, 2,455.92 and 1,336.68

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Solution

The fourth proportional to 1,779.48, 2,455.92 and 1,336.68 is: 1,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.48 : 2,455.92 = 1,336.68 : x
  2. Step 2: Convert to fraction form
    1,779.48/2,455.92 = 1,336.68/x
  3. Step 3: Cross multiply
    1,779.48x = 2,455.92 × 1,336.68
  4. Step 4: Simplify right side
    1,779.48x = 3,282,779.15
  5. Step 5: Solve for x
    x = 3,282,779.15/1,779.48
  6. Step 6: Final answer
    x = 1,844.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.