Home / 3,548.30-4,895.76-2,131.70

Finding the Fourth Proportional to 3,548.30, 4,895.76 and 2,131.70

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Solution

The fourth proportional to 3,548.30, 4,895.76 and 2,131.70 is: 2,941.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.30 : 4,895.76 = 2,131.70 : x
  2. Step 2: Convert to fraction form
    3,548.30/4,895.76 = 2,131.70/x
  3. Step 3: Cross multiply
    3,548.30x = 4,895.76 × 2,131.70
  4. Step 4: Simplify right side
    3,548.30x = 10,436,267.11
  5. Step 5: Solve for x
    x = 10,436,267.11/3,548.30
  6. Step 6: Final answer
    x = 2,941.21

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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.