Home / 3,575.70-5,358-1,818.02

Finding the Fourth Proportional to 3,575.70, 5,358 and 1,818.02

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Solution

The fourth proportional to 3,575.70, 5,358 and 1,818.02 is: 2,724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.70 : 5,358 = 1,818.02 : x
  2. Step 2: Convert to fraction form
    3,575.70/5,358 = 1,818.02/x
  3. Step 3: Cross multiply
    3,575.70x = 5,358 × 1,818.02
  4. Step 4: Simplify right side
    3,575.70x = 9,740,951.16
  5. Step 5: Solve for x
    x = 9,740,951.16/3,575.70
  6. Step 6: Final answer
    x = 2,724.21

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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.