Home / 2,242.02-3,093.90-1,247.34

Finding the Fourth Proportional to 2,242.02, 3,093.90 and 1,247.34

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Solution

The fourth proportional to 2,242.02, 3,093.90 and 1,247.34 is: 1,721.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.02 : 3,093.90 = 1,247.34 : x
  2. Step 2: Convert to fraction form
    2,242.02/3,093.90 = 1,247.34/x
  3. Step 3: Cross multiply
    2,242.02x = 3,093.90 × 1,247.34
  4. Step 4: Simplify right side
    2,242.02x = 3,859,145.23
  5. Step 5: Solve for x
    x = 3,859,145.23/2,242.02
  6. Step 6: Final answer
    x = 1,721.28

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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.