Home / 2,775.40-4,157.82-1,477.48

Finding the Fourth Proportional to 2,775.40, 4,157.82 and 1,477.48

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Solution

The fourth proportional to 2,775.40, 4,157.82 and 1,477.48 is: 2,213.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.40 : 4,157.82 = 1,477.48 : x
  2. Step 2: Convert to fraction form
    2,775.40/4,157.82 = 1,477.48/x
  3. Step 3: Cross multiply
    2,775.40x = 4,157.82 × 1,477.48
  4. Step 4: Simplify right side
    2,775.40x = 6,143,095.89
  5. Step 5: Solve for x
    x = 6,143,095.89/2,775.40
  6. Step 6: Final answer
    x = 2,213.41

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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.