Home / 3,274.06-4,518.20-1,781.98

Finding the Fourth Proportional to 3,274.06, 4,518.20 and 1,781.98

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Solution

The fourth proportional to 3,274.06, 4,518.20 and 1,781.98 is: 2,459.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.06 : 4,518.20 = 1,781.98 : x
  2. Step 2: Convert to fraction form
    3,274.06/4,518.20 = 1,781.98/x
  3. Step 3: Cross multiply
    3,274.06x = 4,518.20 × 1,781.98
  4. Step 4: Simplify right side
    3,274.06x = 8,051,319.45
  5. Step 5: Solve for x
    x = 8,051,319.45/3,274.06
  6. Step 6: Final answer
    x = 2,459.12

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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.