Home / 3,482.37-4,805.67-1,990.27

Finding the Fourth Proportional to 3,482.37, 4,805.67 and 1,990.27

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Solution

The fourth proportional to 3,482.37, 4,805.67 and 1,990.27 is: 2,746.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.37 : 4,805.67 = 1,990.27 : x
  2. Step 2: Convert to fraction form
    3,482.37/4,805.67 = 1,990.27/x
  3. Step 3: Cross multiply
    3,482.37x = 4,805.67 × 1,990.27
  4. Step 4: Simplify right side
    3,482.37x = 9,564,594.30
  5. Step 5: Solve for x
    x = 9,564,594.30/3,482.37
  6. Step 6: Final answer
    x = 2,746.58

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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.