Home / 3,131.91-4,675.01-2,903.49

Finding the Fourth Proportional to 3,131.91, 4,675.01 and 2,903.49

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Solution

The fourth proportional to 3,131.91, 4,675.01 and 2,903.49 is: 4,334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.91 : 4,675.01 = 2,903.49 : x
  2. Step 2: Convert to fraction form
    3,131.91/4,675.01 = 2,903.49/x
  3. Step 3: Cross multiply
    3,131.91x = 4,675.01 × 2,903.49
  4. Step 4: Simplify right side
    3,131.91x = 13,573,830.27
  5. Step 5: Solve for x
    x = 13,573,830.27/3,131.91
  6. Step 6: Final answer
    x = 4,334.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.