Home / 4,172.79-5,757.30-2,470.98

Finding the Fourth Proportional to 4,172.79, 5,757.30 and 2,470.98

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Solution

The fourth proportional to 4,172.79, 5,757.30 and 2,470.98 is: 3,409.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.79 : 5,757.30 = 2,470.98 : x
  2. Step 2: Convert to fraction form
    4,172.79/5,757.30 = 2,470.98/x
  3. Step 3: Cross multiply
    4,172.79x = 5,757.30 × 2,470.98
  4. Step 4: Simplify right side
    4,172.79x = 14,226,173.15
  5. Step 5: Solve for x
    x = 14,226,173.15/4,172.79
  6. Step 6: Final answer
    x = 3,409.27

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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.