Home / 2,620.23-3,611.57-2,247.63

Finding the Fourth Proportional to 2,620.23, 3,611.57 and 2,247.63

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Solution

The fourth proportional to 2,620.23, 3,611.57 and 2,247.63 is: 3,098.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.23 : 3,611.57 = 2,247.63 : x
  2. Step 2: Convert to fraction form
    2,620.23/3,611.57 = 2,247.63/x
  3. Step 3: Cross multiply
    2,620.23x = 3,611.57 × 2,247.63
  4. Step 4: Simplify right side
    2,620.23x = 8,117,461.84
  5. Step 5: Solve for x
    x = 8,117,461.84/2,620.23
  6. Step 6: Final answer
    x = 3,098.00

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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.