Home / 2,843.25-3,925.40-1,782.59

Finding the Fourth Proportional to 2,843.25, 3,925.40 and 1,782.59

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Solution

The fourth proportional to 2,843.25, 3,925.40 and 1,782.59 is: 2,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.25 : 3,925.40 = 1,782.59 : x
  2. Step 2: Convert to fraction form
    2,843.25/3,925.40 = 1,782.59/x
  3. Step 3: Cross multiply
    2,843.25x = 3,925.40 × 1,782.59
  4. Step 4: Simplify right side
    2,843.25x = 6,997,396.41
  5. Step 5: Solve for x
    x = 6,997,396.41/2,843.25
  6. Step 6: Final answer
    x = 2,461.05

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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.