Home / 2,919.55-4,029.69-1,741.36

Finding the Fourth Proportional to 2,919.55, 4,029.69 and 1,741.36

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Solution

The fourth proportional to 2,919.55, 4,029.69 and 1,741.36 is: 2,403.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.55 : 4,029.69 = 1,741.36 : x
  2. Step 2: Convert to fraction form
    2,919.55/4,029.69 = 1,741.36/x
  3. Step 3: Cross multiply
    2,919.55x = 4,029.69 × 1,741.36
  4. Step 4: Simplify right side
    2,919.55x = 7,017,140.98
  5. Step 5: Solve for x
    x = 7,017,140.98/2,919.55
  6. Step 6: Final answer
    x = 2,403.50

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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.