Home / 3,157.74-4,355.43-2,737.34

Finding the Fourth Proportional to 3,157.74, 4,355.43 and 2,737.34

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Solution

The fourth proportional to 3,157.74, 4,355.43 and 2,737.34 is: 3,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.74 : 4,355.43 = 2,737.34 : x
  2. Step 2: Convert to fraction form
    3,157.74/4,355.43 = 2,737.34/x
  3. Step 3: Cross multiply
    3,157.74x = 4,355.43 × 2,737.34
  4. Step 4: Simplify right side
    3,157.74x = 11,922,292.76
  5. Step 5: Solve for x
    x = 11,922,292.76/3,157.74
  6. Step 6: Final answer
    x = 3,775.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.