Home / 3,017.55-4,164.20-1,759.35

Finding the Fourth Proportional to 3,017.55, 4,164.20 and 1,759.35

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Solution

The fourth proportional to 3,017.55, 4,164.20 and 1,759.35 is: 2,427.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.55 : 4,164.20 = 1,759.35 : x
  2. Step 2: Convert to fraction form
    3,017.55/4,164.20 = 1,759.35/x
  3. Step 3: Cross multiply
    3,017.55x = 4,164.20 × 1,759.35
  4. Step 4: Simplify right side
    3,017.55x = 7,326,268.85
  5. Step 5: Solve for x
    x = 7,326,268.85/3,017.55
  6. Step 6: Final answer
    x = 2,427.89

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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.