Home / 4,157.39-5,737.94-2,478.90

Finding the Fourth Proportional to 4,157.39, 5,737.94 and 2,478.90

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Solution

The fourth proportional to 4,157.39, 5,737.94 and 2,478.90 is: 3,421.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.39 : 5,737.94 = 2,478.90 : x
  2. Step 2: Convert to fraction form
    4,157.39/5,737.94 = 2,478.90/x
  3. Step 3: Cross multiply
    4,157.39x = 5,737.94 × 2,478.90
  4. Step 4: Simplify right side
    4,157.39x = 14,223,767.07
  5. Step 5: Solve for x
    x = 14,223,767.07/4,157.39
  6. Step 6: Final answer
    x = 3,421.33

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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.