Home / 1,779.26-2,455.07-1,070.93

Finding the Fourth Proportional to 1,779.26, 2,455.07 and 1,070.93

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Solution

The fourth proportional to 1,779.26, 2,455.07 and 1,070.93 is: 1,477.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.26 : 2,455.07 = 1,070.93 : x
  2. Step 2: Convert to fraction form
    1,779.26/2,455.07 = 1,070.93/x
  3. Step 3: Cross multiply
    1,779.26x = 2,455.07 × 1,070.93
  4. Step 4: Simplify right side
    1,779.26x = 2,629,190.49
  5. Step 5: Solve for x
    x = 2,629,190.49/1,779.26
  6. Step 6: Final answer
    x = 1,477.69

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1.5x scale

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.