Home / 3,091.05-4,637.01-899.46

Finding the Fourth Proportional to 3,091.05, 4,637.01 and 899.46

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Solution

The fourth proportional to 3,091.05, 4,637.01 and 899.46 is: 1,349.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.05 : 4,637.01 = 899.46 : x
  2. Step 2: Convert to fraction form
    3,091.05/4,637.01 = 899.46/x
  3. Step 3: Cross multiply
    3,091.05x = 4,637.01 × 899.46
  4. Step 4: Simplify right side
    3,091.05x = 4,170,805.01
  5. Step 5: Solve for x
    x = 4,170,805.01/3,091.05
  6. Step 6: Final answer
    x = 1,349.32

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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.