Home / 1,609.74-2,217.93-1,084.86

Finding the Fourth Proportional to 1,609.74, 2,217.93 and 1,084.86

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Solution

The fourth proportional to 1,609.74, 2,217.93 and 1,084.86 is: 1,494.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609.74 : 2,217.93 = 1,084.86 : x
  2. Step 2: Convert to fraction form
    1,609.74/2,217.93 = 1,084.86/x
  3. Step 3: Cross multiply
    1,609.74x = 2,217.93 × 1,084.86
  4. Step 4: Simplify right side
    1,609.74x = 2,406,143.54
  5. Step 5: Solve for x
    x = 2,406,143.54/1,609.74
  6. Step 6: Final answer
    x = 1,494.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.