Home / 4,200.87-5,796.95-2,312.09

Finding the Fourth Proportional to 4,200.87, 5,796.95 and 2,312.09

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Solution

The fourth proportional to 4,200.87, 5,796.95 and 2,312.09 is: 3,190.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.87 : 5,796.95 = 2,312.09 : x
  2. Step 2: Convert to fraction form
    4,200.87/5,796.95 = 2,312.09/x
  3. Step 3: Cross multiply
    4,200.87x = 5,796.95 × 2,312.09
  4. Step 4: Simplify right side
    4,200.87x = 13,403,029.58
  5. Step 5: Solve for x
    x = 13,403,029.58/4,200.87
  6. Step 6: Final answer
    x = 3,190.54

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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.