Home / 1,779.89-2,457.09-1,033.72

Finding the Fourth Proportional to 1,779.89, 2,457.09 and 1,033.72

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Solution

The fourth proportional to 1,779.89, 2,457.09 and 1,033.72 is: 1,427.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.89 : 2,457.09 = 1,033.72 : x
  2. Step 2: Convert to fraction form
    1,779.89/2,457.09 = 1,033.72/x
  3. Step 3: Cross multiply
    1,779.89x = 2,457.09 × 1,033.72
  4. Step 4: Simplify right side
    1,779.89x = 2,539,936.93
  5. Step 5: Solve for x
    x = 2,539,936.93/1,779.89
  6. Step 6: Final answer
    x = 1,427.02

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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.