Home / 2,247.55-3,101.25-1,303.38

Finding the Fourth Proportional to 2,247.55, 3,101.25 and 1,303.38

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Solution

The fourth proportional to 2,247.55, 3,101.25 and 1,303.38 is: 1,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.55 : 3,101.25 = 1,303.38 : x
  2. Step 2: Convert to fraction form
    2,247.55/3,101.25 = 1,303.38/x
  3. Step 3: Cross multiply
    2,247.55x = 3,101.25 × 1,303.38
  4. Step 4: Simplify right side
    2,247.55x = 4,042,107.23
  5. Step 5: Solve for x
    x = 4,042,107.23/2,247.55
  6. Step 6: Final answer
    x = 1,798.45

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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.