Home / 4,157.68-5,740.08-2,743.60

Finding the Fourth Proportional to 4,157.68, 5,740.08 and 2,743.60

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Solution

The fourth proportional to 4,157.68, 5,740.08 and 2,743.60 is: 3,787.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.68 : 5,740.08 = 2,743.60 : x
  2. Step 2: Convert to fraction form
    4,157.68/5,740.08 = 2,743.60/x
  3. Step 3: Cross multiply
    4,157.68x = 5,740.08 × 2,743.60
  4. Step 4: Simplify right side
    4,157.68x = 15,748,483.49
  5. Step 5: Solve for x
    x = 15,748,483.49/4,157.68
  6. Step 6: Final answer
    x = 3,787.81

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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.