Home / 3,741.20-5,165.60-2,415.68

Finding the Fourth Proportional to 3,741.20, 5,165.60 and 2,415.68

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Solution

The fourth proportional to 3,741.20, 5,165.60 and 2,415.68 is: 3,335.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.20 : 5,165.60 = 2,415.68 : x
  2. Step 2: Convert to fraction form
    3,741.20/5,165.60 = 2,415.68/x
  3. Step 3: Cross multiply
    3,741.20x = 5,165.60 × 2,415.68
  4. Step 4: Simplify right side
    3,741.20x = 12,478,436.61
  5. Step 5: Solve for x
    x = 12,478,436.61/3,741.20
  6. Step 6: Final answer
    x = 3,335.41

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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.