Home / 4,140.87-5,714.39-2,323.90

Finding the Fourth Proportional to 4,140.87, 5,714.39 and 2,323.90

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Solution

The fourth proportional to 4,140.87, 5,714.39 and 2,323.90 is: 3,206.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.87 : 5,714.39 = 2,323.90 : x
  2. Step 2: Convert to fraction form
    4,140.87/5,714.39 = 2,323.90/x
  3. Step 3: Cross multiply
    4,140.87x = 5,714.39 × 2,323.90
  4. Step 4: Simplify right side
    4,140.87x = 13,279,670.92
  5. Step 5: Solve for x
    x = 13,279,670.92/4,140.87
  6. Step 6: Final answer
    x = 3,206.98

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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.