Home / 1,533.45-2,288.41-1,369.42

Finding the Fourth Proportional to 1,533.45, 2,288.41 and 1,369.42

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Solution

The fourth proportional to 1,533.45, 2,288.41 and 1,369.42 is: 2,043.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.45 : 2,288.41 = 1,369.42 : x
  2. Step 2: Convert to fraction form
    1,533.45/2,288.41 = 1,369.42/x
  3. Step 3: Cross multiply
    1,533.45x = 2,288.41 × 1,369.42
  4. Step 4: Simplify right side
    1,533.45x = 3,133,794.42
  5. Step 5: Solve for x
    x = 3,133,794.42/1,533.45
  6. Step 6: Final answer
    x = 2,043.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.