Home / 4,170.77-5,755.67-2,402.39

Finding the Fourth Proportional to 4,170.77, 5,755.67 and 2,402.39

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Solution

The fourth proportional to 4,170.77, 5,755.67 and 2,402.39 is: 3,315.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.77 : 5,755.67 = 2,402.39 : x
  2. Step 2: Convert to fraction form
    4,170.77/5,755.67 = 2,402.39/x
  3. Step 3: Cross multiply
    4,170.77x = 5,755.67 × 2,402.39
  4. Step 4: Simplify right side
    4,170.77x = 13,827,341.28
  5. Step 5: Solve for x
    x = 13,827,341.28/4,170.77
  6. Step 6: Final answer
    x = 3,315.30

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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.