Home / 3,088.72-4,633.08-1,998.88

Finding the Fourth Proportional to 3,088.72, 4,633.08 and 1,998.88

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Solution

The fourth proportional to 3,088.72, 4,633.08 and 1,998.88 is: 2,998.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.72 : 4,633.08 = 1,998.88 : x
  2. Step 2: Convert to fraction form
    3,088.72/4,633.08 = 1,998.88/x
  3. Step 3: Cross multiply
    3,088.72x = 4,633.08 × 1,998.88
  4. Step 4: Simplify right side
    3,088.72x = 9,260,970.95
  5. Step 5: Solve for x
    x = 9,260,970.95/3,088.72
  6. Step 6: Final answer
    x = 2,998.32

Related Problems

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Double 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.