Home / 2,399.16-3,598.80-1,100.28

Finding the Fourth Proportional to 2,399.16, 3,598.80 and 1,100.28

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Solution

The fourth proportional to 2,399.16, 3,598.80 and 1,100.28 is: 1,650.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.16 : 3,598.80 = 1,100.28 : x
  2. Step 2: Convert to fraction form
    2,399.16/3,598.80 = 1,100.28/x
  3. Step 3: Cross multiply
    2,399.16x = 3,598.80 × 1,100.28
  4. Step 4: Simplify right side
    2,399.16x = 3,959,687.66
  5. Step 5: Solve for x
    x = 3,959,687.66/2,399.16
  6. Step 6: Final answer
    x = 1,650.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.