Home / 4,170.72-5,755.55-2,402.49

Finding the Fourth Proportional to 4,170.72, 5,755.55 and 2,402.49

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Solution

The fourth proportional to 4,170.72, 5,755.55 and 2,402.49 is: 3,315.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.72 : 5,755.55 = 2,402.49 : x
  2. Step 2: Convert to fraction form
    4,170.72/5,755.55 = 2,402.49/x
  3. Step 3: Cross multiply
    4,170.72x = 5,755.55 × 2,402.49
  4. Step 4: Simplify right side
    4,170.72x = 13,827,639.31
  5. Step 5: Solve for x
    x = 13,827,639.31/4,170.72
  6. Step 6: Final answer
    x = 3,315.41

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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.