Home / 2,380.22-3,281.55-1,953.29

Finding the Fourth Proportional to 2,380.22, 3,281.55 and 1,953.29

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Solution

The fourth proportional to 2,380.22, 3,281.55 and 1,953.29 is: 2,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.22 : 3,281.55 = 1,953.29 : x
  2. Step 2: Convert to fraction form
    2,380.22/3,281.55 = 1,953.29/x
  3. Step 3: Cross multiply
    2,380.22x = 3,281.55 × 1,953.29
  4. Step 4: Simplify right side
    2,380.22x = 6,409,802.39
  5. Step 5: Solve for x
    x = 6,409,802.39/2,380.22
  6. Step 6: Final answer
    x = 2,692.95

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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.