Home / 4,157.70-5,735.62-2,478.58

Finding the Fourth Proportional to 4,157.70, 5,735.62 and 2,478.58

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Solution

The fourth proportional to 4,157.70, 5,735.62 and 2,478.58 is: 3,419.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.70 : 5,735.62 = 2,478.58 : x
  2. Step 2: Convert to fraction form
    4,157.70/5,735.62 = 2,478.58/x
  3. Step 3: Cross multiply
    4,157.70x = 5,735.62 × 2,478.58
  4. Step 4: Simplify right side
    4,157.70x = 14,216,193.02
  5. Step 5: Solve for x
    x = 14,216,193.02/4,157.70
  6. Step 6: Final answer
    x = 3,419.24

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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.