Home / 2,288.21-3,157.38-1,343.93

Finding the Fourth Proportional to 2,288.21, 3,157.38 and 1,343.93

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Solution

The fourth proportional to 2,288.21, 3,157.38 and 1,343.93 is: 1,854.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.21 : 3,157.38 = 1,343.93 : x
  2. Step 2: Convert to fraction form
    2,288.21/3,157.38 = 1,343.93/x
  3. Step 3: Cross multiply
    2,288.21x = 3,157.38 × 1,343.93
  4. Step 4: Simplify right side
    2,288.21x = 4,243,281.92
  5. Step 5: Solve for x
    x = 4,243,281.92/2,288.21
  6. Step 6: Final answer
    x = 1,854.42

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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.