Home / 1,208.64-1,815.36-1,035.24

Finding the Fourth Proportional to 1,208.64, 1,815.36 and 1,035.24

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Solution

The fourth proportional to 1,208.64, 1,815.36 and 1,035.24 is: 1,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208.64 : 1,815.36 = 1,035.24 : x
  2. Step 2: Convert to fraction form
    1,208.64/1,815.36 = 1,035.24/x
  3. Step 3: Cross multiply
    1,208.64x = 1,815.36 × 1,035.24
  4. Step 4: Simplify right side
    1,208.64x = 1,879,333.29
  5. Step 5: Solve for x
    x = 1,879,333.29/1,208.64
  6. Step 6: Final answer
    x = 1,554.92

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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.