Home / 3,646.76-5,466.69-2,990.05

Finding the Fourth Proportional to 3,646.76, 5,466.69 and 2,990.05

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Solution

The fourth proportional to 3,646.76, 5,466.69 and 2,990.05 is: 4,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.76 : 5,466.69 = 2,990.05 : x
  2. Step 2: Convert to fraction form
    3,646.76/5,466.69 = 2,990.05/x
  3. Step 3: Cross multiply
    3,646.76x = 5,466.69 × 2,990.05
  4. Step 4: Simplify right side
    3,646.76x = 16,345,662.77
  5. Step 5: Solve for x
    x = 16,345,662.77/3,646.76
  6. Step 6: Final answer
    x = 4,482.25

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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.