Home / 2,375.86-3,277.13-1,431.02

Finding the Fourth Proportional to 2,375.86, 3,277.13 and 1,431.02

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Solution

The fourth proportional to 2,375.86, 3,277.13 and 1,431.02 is: 1,973.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.86 : 3,277.13 = 1,431.02 : x
  2. Step 2: Convert to fraction form
    2,375.86/3,277.13 = 1,431.02/x
  3. Step 3: Cross multiply
    2,375.86x = 3,277.13 × 1,431.02
  4. Step 4: Simplify right side
    2,375.86x = 4,689,625.76
  5. Step 5: Solve for x
    x = 4,689,625.76/2,375.86
  6. Step 6: Final answer
    x = 1,973.86

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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.