Home / 3,611.40-4,981.01-2,459.85

Finding the Fourth Proportional to 3,611.40, 4,981.01 and 2,459.85

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Solution

The fourth proportional to 3,611.40, 4,981.01 and 2,459.85 is: 3,392.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.40 : 4,981.01 = 2,459.85 : x
  2. Step 2: Convert to fraction form
    3,611.40/4,981.01 = 2,459.85/x
  3. Step 3: Cross multiply
    3,611.40x = 4,981.01 × 2,459.85
  4. Step 4: Simplify right side
    3,611.40x = 12,252,525.15
  5. Step 5: Solve for x
    x = 12,252,525.15/3,611.40
  6. Step 6: Final answer
    x = 3,392.74

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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.