Home / 4,200.18-5,795.86-2,431.90

Finding the Fourth Proportional to 4,200.18, 5,795.86 and 2,431.90

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Solution

The fourth proportional to 4,200.18, 5,795.86 and 2,431.90 is: 3,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.18 : 5,795.86 = 2,431.90 : x
  2. Step 2: Convert to fraction form
    4,200.18/5,795.86 = 2,431.90/x
  3. Step 3: Cross multiply
    4,200.18x = 5,795.86 × 2,431.90
  4. Step 4: Simplify right side
    4,200.18x = 14,094,951.93
  5. Step 5: Solve for x
    x = 14,094,951.93/4,200.18
  6. Step 6: Final answer
    x = 3,355.80

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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.