Home / 3,241.72-4,860.42-1,575.40

Finding the Fourth Proportional to 3,241.72, 4,860.42 and 1,575.40

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Solution

The fourth proportional to 3,241.72, 4,860.42 and 1,575.40 is: 2,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.72 : 4,860.42 = 1,575.40 : x
  2. Step 2: Convert to fraction form
    3,241.72/4,860.42 = 1,575.40/x
  3. Step 3: Cross multiply
    3,241.72x = 4,860.42 × 1,575.40
  4. Step 4: Simplify right side
    3,241.72x = 7,657,105.67
  5. Step 5: Solve for x
    x = 7,657,105.67/3,241.72
  6. Step 6: Final answer
    x = 2,362.05

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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.