Home / 3,490.30-4,818.32-2,741.86

Finding the Fourth Proportional to 3,490.30, 4,818.32 and 2,741.86

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Solution

The fourth proportional to 3,490.30, 4,818.32 and 2,741.86 is: 3,785.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.30 : 4,818.32 = 2,741.86 : x
  2. Step 2: Convert to fraction form
    3,490.30/4,818.32 = 2,741.86/x
  3. Step 3: Cross multiply
    3,490.30x = 4,818.32 × 2,741.86
  4. Step 4: Simplify right side
    3,490.30x = 13,211,158.88
  5. Step 5: Solve for x
    x = 13,211,158.88/3,490.30
  6. Step 6: Final answer
    x = 3,785.11

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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.