Home / 2,247.77-3,102.60-1,303.80

Finding the Fourth Proportional to 2,247.77, 3,102.60 and 1,303.80

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Solution

The fourth proportional to 2,247.77, 3,102.60 and 1,303.80 is: 1,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.77 : 3,102.60 = 1,303.80 : x
  2. Step 2: Convert to fraction form
    2,247.77/3,102.60 = 1,303.80/x
  3. Step 3: Cross multiply
    2,247.77x = 3,102.60 × 1,303.80
  4. Step 4: Simplify right side
    2,247.77x = 4,045,163.13
  5. Step 5: Solve for x
    x = 4,045,163.13/2,247.77
  6. Step 6: Final answer
    x = 1,799.64

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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.