Home / 3,580.32-4,939.68-2,741.76

Finding the Fourth Proportional to 3,580.32, 4,939.68 and 2,741.76

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Solution

The fourth proportional to 3,580.32, 4,939.68 and 2,741.76 is: 3,782.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.32 : 4,939.68 = 2,741.76 : x
  2. Step 2: Convert to fraction form
    3,580.32/4,939.68 = 2,741.76/x
  3. Step 3: Cross multiply
    3,580.32x = 4,939.68 × 2,741.76
  4. Step 4: Simplify right side
    3,580.32x = 13,543,417.04
  5. Step 5: Solve for x
    x = 13,543,417.04/3,580.32
  6. Step 6: Final answer
    x = 3,782.74

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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.