Home / 1,088.16-1,629.60-799.36

Finding the Fourth Proportional to 1,088.16, 1,629.60 and 799.36

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Solution

The fourth proportional to 1,088.16, 1,629.60 and 799.36 is: 1,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.16 : 1,629.60 = 799.36 : x
  2. Step 2: Convert to fraction form
    1,088.16/1,629.60 = 799.36/x
  3. Step 3: Cross multiply
    1,088.16x = 1,629.60 × 799.36
  4. Step 4: Simplify right side
    1,088.16x = 1,302,637.06
  5. Step 5: Solve for x
    x = 1,302,637.06/1,088.16
  6. Step 6: Final answer
    x = 1,197.10

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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.