Home / 2,339.36-3,509.49-1,169.45

Finding the Fourth Proportional to 2,339.36, 3,509.49 and 1,169.45

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Solution

The fourth proportional to 2,339.36, 3,509.49 and 1,169.45 is: 1,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.36 : 3,509.49 = 1,169.45 : x
  2. Step 2: Convert to fraction form
    2,339.36/3,509.49 = 1,169.45/x
  3. Step 3: Cross multiply
    2,339.36x = 3,509.49 × 1,169.45
  4. Step 4: Simplify right side
    2,339.36x = 4,104,173.08
  5. Step 5: Solve for x
    x = 4,104,173.08/2,339.36
  6. Step 6: Final answer
    x = 1,754.40

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Half scale
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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.