Home / 1,036.12-1,554.28-342.60

Finding the Fourth Proportional to 1,036.12, 1,554.28 and 342.60

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Solution

The fourth proportional to 1,036.12, 1,554.28 and 342.60 is: 513.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.12 : 1,554.28 = 342.60 : x
  2. Step 2: Convert to fraction form
    1,036.12/1,554.28 = 342.60/x
  3. Step 3: Cross multiply
    1,036.12x = 1,554.28 × 342.60
  4. Step 4: Simplify right side
    1,036.12x = 532,496.33
  5. Step 5: Solve for x
    x = 532,496.33/1,036.12
  6. Step 6: Final answer
    x = 513.93

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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.