Home / 1,779.29-2,455.43-1,033.26

Finding the Fourth Proportional to 1,779.29, 2,455.43 and 1,033.26

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Solution

The fourth proportional to 1,779.29, 2,455.43 and 1,033.26 is: 1,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.29 : 2,455.43 = 1,033.26 : x
  2. Step 2: Convert to fraction form
    1,779.29/2,455.43 = 1,033.26/x
  3. Step 3: Cross multiply
    1,779.29x = 2,455.43 × 1,033.26
  4. Step 4: Simplify right side
    1,779.29x = 2,537,097.60
  5. Step 5: Solve for x
    x = 2,537,097.60/1,779.29
  6. Step 6: Final answer
    x = 1,425.90

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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.