Home / 1,086.06-1,497.51-1,008.30

Finding the Fourth Proportional to 1,086.06, 1,497.51 and 1,008.30

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Solution

The fourth proportional to 1,086.06, 1,497.51 and 1,008.30 is: 1,390.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086.06 : 1,497.51 = 1,008.30 : x
  2. Step 2: Convert to fraction form
    1,086.06/1,497.51 = 1,008.30/x
  3. Step 3: Cross multiply
    1,086.06x = 1,497.51 × 1,008.30
  4. Step 4: Simplify right side
    1,086.06x = 1,509,939.33
  5. Step 5: Solve for x
    x = 1,509,939.33/1,086.06
  6. Step 6: Final answer
    x = 1,390.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.