Home / 3,521.32-4,861.34-2,403.92

Finding the Fourth Proportional to 3,521.32, 4,861.34 and 2,403.92

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Solution

The fourth proportional to 3,521.32, 4,861.34 and 2,403.92 is: 3,318.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.32 : 4,861.34 = 2,403.92 : x
  2. Step 2: Convert to fraction form
    3,521.32/4,861.34 = 2,403.92/x
  3. Step 3: Cross multiply
    3,521.32x = 4,861.34 × 2,403.92
  4. Step 4: Simplify right side
    3,521.32x = 11,686,272.45
  5. Step 5: Solve for x
    x = 11,686,272.45/3,521.32
  6. Step 6: Final answer
    x = 3,318.72

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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.