Home / 4,200.66-5,796.87-2,312.21

Finding the Fourth Proportional to 4,200.66, 5,796.87 and 2,312.21

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Solution

The fourth proportional to 4,200.66, 5,796.87 and 2,312.21 is: 3,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.66 : 5,796.87 = 2,312.21 : x
  2. Step 2: Convert to fraction form
    4,200.66/5,796.87 = 2,312.21/x
  3. Step 3: Cross multiply
    4,200.66x = 5,796.87 × 2,312.21
  4. Step 4: Simplify right side
    4,200.66x = 13,403,548.91
  5. Step 5: Solve for x
    x = 13,403,548.91/4,200.66
  6. Step 6: Final answer
    x = 3,190.82

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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.