Home / 2,357.55-3,536.78-1,125.06

Finding the Fourth Proportional to 2,357.55, 3,536.78 and 1,125.06

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Solution

The fourth proportional to 2,357.55, 3,536.78 and 1,125.06 is: 1,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.55 : 3,536.78 = 1,125.06 : x
  2. Step 2: Convert to fraction form
    2,357.55/3,536.78 = 1,125.06/x
  3. Step 3: Cross multiply
    2,357.55x = 3,536.78 × 1,125.06
  4. Step 4: Simplify right side
    2,357.55x = 3,979,089.71
  5. Step 5: Solve for x
    x = 3,979,089.71/2,357.55
  6. Step 6: Final answer
    x = 1,687.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.