Home / 3,465.18-5,198.43-1,124.99

Finding the Fourth Proportional to 3,465.18, 5,198.43 and 1,124.99

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Solution

The fourth proportional to 3,465.18, 5,198.43 and 1,124.99 is: 1,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.18 : 5,198.43 = 1,124.99 : x
  2. Step 2: Convert to fraction form
    3,465.18/5,198.43 = 1,124.99/x
  3. Step 3: Cross multiply
    3,465.18x = 5,198.43 × 1,124.99
  4. Step 4: Simplify right side
    3,465.18x = 5,848,173.16
  5. Step 5: Solve for x
    x = 5,848,173.16/3,465.18
  6. Step 6: Final answer
    x = 1,687.70

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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.