Home / 1,033.08-1,558.58-1,003.92

Finding the Fourth Proportional to 1,033.08, 1,558.58 and 1,003.92

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Solution

The fourth proportional to 1,033.08, 1,558.58 and 1,003.92 is: 1,514.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.08 : 1,558.58 = 1,003.92 : x
  2. Step 2: Convert to fraction form
    1,033.08/1,558.58 = 1,003.92/x
  3. Step 3: Cross multiply
    1,033.08x = 1,558.58 × 1,003.92
  4. Step 4: Simplify right side
    1,033.08x = 1,564,689.63
  5. Step 5: Solve for x
    x = 1,564,689.63/1,033.08
  6. Step 6: Final answer
    x = 1,514.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.