Home / 3,091.34-4,637.70-899.89

Finding the Fourth Proportional to 3,091.34, 4,637.70 and 899.89

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Solution

The fourth proportional to 3,091.34, 4,637.70 and 899.89 is: 1,350.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.34 : 4,637.70 = 899.89 : x
  2. Step 2: Convert to fraction form
    3,091.34/4,637.70 = 899.89/x
  3. Step 3: Cross multiply
    3,091.34x = 4,637.70 × 899.89
  4. Step 4: Simplify right side
    3,091.34x = 4,173,408.26
  5. Step 5: Solve for x
    x = 4,173,408.26/3,091.34
  6. Step 6: Final answer
    x = 1,350.03

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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.