Home / 3,430.26-4,733.80-1,917.75

Finding the Fourth Proportional to 3,430.26, 4,733.80 and 1,917.75

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Solution

The fourth proportional to 3,430.26, 4,733.80 and 1,917.75 is: 2,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.26 : 4,733.80 = 1,917.75 : x
  2. Step 2: Convert to fraction form
    3,430.26/4,733.80 = 1,917.75/x
  3. Step 3: Cross multiply
    3,430.26x = 4,733.80 × 1,917.75
  4. Step 4: Simplify right side
    3,430.26x = 9,078,244.95
  5. Step 5: Solve for x
    x = 9,078,244.95/3,430.26
  6. Step 6: Final answer
    x = 2,646.52

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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.