Home / 1,680.30-2,518.74-584.37

Finding the Fourth Proportional to 1,680.30, 2,518.74 and 584.37

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Solution

The fourth proportional to 1,680.30, 2,518.74 and 584.37 is: 875.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.30 : 2,518.74 = 584.37 : x
  2. Step 2: Convert to fraction form
    1,680.30/2,518.74 = 584.37/x
  3. Step 3: Cross multiply
    1,680.30x = 2,518.74 × 584.37
  4. Step 4: Simplify right side
    1,680.30x = 1,471,876.09
  5. Step 5: Solve for x
    x = 1,471,876.09/1,680.30
  6. Step 6: Final answer
    x = 875.96

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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.