Home / 2,399.16-3,599.36-1,011.88

Finding the Fourth Proportional to 2,399.16, 3,599.36 and 1,011.88

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Solution

The fourth proportional to 2,399.16, 3,599.36 and 1,011.88 is: 1,518.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.16 : 3,599.36 = 1,011.88 : x
  2. Step 2: Convert to fraction form
    2,399.16/3,599.36 = 1,011.88/x
  3. Step 3: Cross multiply
    2,399.16x = 3,599.36 × 1,011.88
  4. Step 4: Simplify right side
    2,399.16x = 3,642,120.40
  5. Step 5: Solve for x
    x = 3,642,120.40/2,399.16
  6. Step 6: Final answer
    x = 1,518.08

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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.