Home / 2,698.99-4,043.18-2,405.12

Finding the Fourth Proportional to 2,698.99, 4,043.18 and 2,405.12

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Solution

The fourth proportional to 2,698.99, 4,043.18 and 2,405.12 is: 3,602.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.99 : 4,043.18 = 2,405.12 : x
  2. Step 2: Convert to fraction form
    2,698.99/4,043.18 = 2,405.12/x
  3. Step 3: Cross multiply
    2,698.99x = 4,043.18 × 2,405.12
  4. Step 4: Simplify right side
    2,698.99x = 9,724,318.88
  5. Step 5: Solve for x
    x = 9,724,318.88/2,698.99
  6. Step 6: Final answer
    x = 3,602.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.