Home / 3,117.21-4,676.55-1,656.03

Finding the Fourth Proportional to 3,117.21, 4,676.55 and 1,656.03

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Solution

The fourth proportional to 3,117.21, 4,676.55 and 1,656.03 is: 2,484.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.21 : 4,676.55 = 1,656.03 : x
  2. Step 2: Convert to fraction form
    3,117.21/4,676.55 = 1,656.03/x
  3. Step 3: Cross multiply
    3,117.21x = 4,676.55 × 1,656.03
  4. Step 4: Simplify right side
    3,117.21x = 7,744,507.10
  5. Step 5: Solve for x
    x = 7,744,507.10/3,117.21
  6. Step 6: Final answer
    x = 2,484.44

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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.