Home / 1,282.40-1,923.60-1,036.36

Finding the Fourth Proportional to 1,282.40, 1,923.60 and 1,036.36

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Solution

The fourth proportional to 1,282.40, 1,923.60 and 1,036.36 is: 1,554.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282.40 : 1,923.60 = 1,036.36 : x
  2. Step 2: Convert to fraction form
    1,282.40/1,923.60 = 1,036.36/x
  3. Step 3: Cross multiply
    1,282.40x = 1,923.60 × 1,036.36
  4. Step 4: Simplify right side
    1,282.40x = 1,993,542.10
  5. Step 5: Solve for x
    x = 1,993,542.10/1,282.40
  6. Step 6: Final answer
    x = 1,554.54

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Similar ratio
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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.