Home / 2,481.52-3,424.95-1,855.19

Finding the Fourth Proportional to 2,481.52, 3,424.95 and 1,855.19

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Solution

The fourth proportional to 2,481.52, 3,424.95 and 1,855.19 is: 2,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.52 : 3,424.95 = 1,855.19 : x
  2. Step 2: Convert to fraction form
    2,481.52/3,424.95 = 1,855.19/x
  3. Step 3: Cross multiply
    2,481.52x = 3,424.95 × 1,855.19
  4. Step 4: Simplify right side
    2,481.52x = 6,353,932.99
  5. Step 5: Solve for x
    x = 6,353,932.99/2,481.52
  6. Step 6: Final answer
    x = 2,560.50

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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.