Home / 1,881.19-2,594.35-1,217.35

Finding the Fourth Proportional to 1,881.19, 2,594.35 and 1,217.35

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Solution

The fourth proportional to 1,881.19, 2,594.35 and 1,217.35 is: 1,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.19 : 2,594.35 = 1,217.35 : x
  2. Step 2: Convert to fraction form
    1,881.19/2,594.35 = 1,217.35/x
  3. Step 3: Cross multiply
    1,881.19x = 2,594.35 × 1,217.35
  4. Step 4: Simplify right side
    1,881.19x = 3,158,231.97
  5. Step 5: Solve for x
    x = 3,158,231.97/1,881.19
  6. Step 6: Final answer
    x = 1,678.85

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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.