Home / 3,205.37-4,424.58-1,880.18

Finding the Fourth Proportional to 3,205.37, 4,424.58 and 1,880.18

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Solution

The fourth proportional to 3,205.37, 4,424.58 and 1,880.18 is: 2,595.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.37 : 4,424.58 = 1,880.18 : x
  2. Step 2: Convert to fraction form
    3,205.37/4,424.58 = 1,880.18/x
  3. Step 3: Cross multiply
    3,205.37x = 4,424.58 × 1,880.18
  4. Step 4: Simplify right side
    3,205.37x = 8,319,006.82
  5. Step 5: Solve for x
    x = 8,319,006.82/3,205.37
  6. Step 6: Final answer
    x = 2,595.34

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.