Home / 2,358.91-3,539.54-1,126.09

Finding the Fourth Proportional to 2,358.91, 3,539.54 and 1,126.09

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Solution

The fourth proportional to 2,358.91, 3,539.54 and 1,126.09 is: 1,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.91 : 3,539.54 = 1,126.09 : x
  2. Step 2: Convert to fraction form
    2,358.91/3,539.54 = 1,126.09/x
  3. Step 3: Cross multiply
    2,358.91x = 3,539.54 × 1,126.09
  4. Step 4: Simplify right side
    2,358.91x = 3,985,840.60
  5. Step 5: Solve for x
    x = 3,985,840.60/2,358.91
  6. Step 6: Final answer
    x = 1,689.70

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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.