Home / 2,375.07-3,277.62-1,312.89

Finding the Fourth Proportional to 2,375.07, 3,277.62 and 1,312.89

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Solution

The fourth proportional to 2,375.07, 3,277.62 and 1,312.89 is: 1,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.07 : 3,277.62 = 1,312.89 : x
  2. Step 2: Convert to fraction form
    2,375.07/3,277.62 = 1,312.89/x
  3. Step 3: Cross multiply
    2,375.07x = 3,277.62 × 1,312.89
  4. Step 4: Simplify right side
    2,375.07x = 4,303,154.52
  5. Step 5: Solve for x
    x = 4,303,154.52/2,375.07
  6. Step 6: Final answer
    x = 1,811.80

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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.