Home / 1,036.12-1,554.10-266.60

Finding the Fourth Proportional to 1,036.12, 1,554.10 and 266.60

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Solution

The fourth proportional to 1,036.12, 1,554.10 and 266.60 is: 399.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.12 : 1,554.10 = 266.60 : x
  2. Step 2: Convert to fraction form
    1,036.12/1,554.10 = 266.60/x
  3. Step 3: Cross multiply
    1,036.12x = 1,554.10 × 266.60
  4. Step 4: Simplify right side
    1,036.12x = 414,323.06
  5. Step 5: Solve for x
    x = 414,323.06/1,036.12
  6. Step 6: Final answer
    x = 399.88

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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.