Home / 3,274.48-4,518.84-1,782.44

Finding the Fourth Proportional to 3,274.48, 4,518.84 and 1,782.44

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Solution

The fourth proportional to 3,274.48, 4,518.84 and 1,782.44 is: 2,459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.48 : 4,518.84 = 1,782.44 : x
  2. Step 2: Convert to fraction form
    3,274.48/4,518.84 = 1,782.44/x
  3. Step 3: Cross multiply
    3,274.48x = 4,518.84 × 1,782.44
  4. Step 4: Simplify right side
    3,274.48x = 8,054,561.17
  5. Step 5: Solve for x
    x = 8,054,561.17/3,274.48
  6. Step 6: Final answer
    x = 2,459.80

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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.