Home / 2,351.77-3,245.40-1,357.14

Finding the Fourth Proportional to 2,351.77, 3,245.40 and 1,357.14

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Solution

The fourth proportional to 2,351.77, 3,245.40 and 1,357.14 is: 1,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.77 : 3,245.40 = 1,357.14 : x
  2. Step 2: Convert to fraction form
    2,351.77/3,245.40 = 1,357.14/x
  3. Step 3: Cross multiply
    2,351.77x = 3,245.40 × 1,357.14
  4. Step 4: Simplify right side
    2,351.77x = 4,404,462.16
  5. Step 5: Solve for x
    x = 4,404,462.16/2,351.77
  6. Step 6: Final answer
    x = 1,872.83

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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.