Home / 1,088.27-1,632.14-511.01

Finding the Fourth Proportional to 1,088.27, 1,632.14 and 511.01

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Solution

The fourth proportional to 1,088.27, 1,632.14 and 511.01 is: 766.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.27 : 1,632.14 = 511.01 : x
  2. Step 2: Convert to fraction form
    1,088.27/1,632.14 = 511.01/x
  3. Step 3: Cross multiply
    1,088.27x = 1,632.14 × 511.01
  4. Step 4: Simplify right side
    1,088.27x = 834,037.31
  5. Step 5: Solve for x
    x = 834,037.31/1,088.27
  6. Step 6: Final answer
    x = 766.39

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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.