Home / 3,145.41-4,337.55-2,480.94

Finding the Fourth Proportional to 3,145.41, 4,337.55 and 2,480.94

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Solution

The fourth proportional to 3,145.41, 4,337.55 and 2,480.94 is: 3,421.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.41 : 4,337.55 = 2,480.94 : x
  2. Step 2: Convert to fraction form
    3,145.41/4,337.55 = 2,480.94/x
  3. Step 3: Cross multiply
    3,145.41x = 4,337.55 × 2,480.94
  4. Step 4: Simplify right side
    3,145.41x = 10,761,201.30
  5. Step 5: Solve for x
    x = 10,761,201.30/3,145.41
  6. Step 6: Final answer
    x = 3,421.24

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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.