Home / 1,680.31-2,521.62-584.67

Finding the Fourth Proportional to 1,680.31, 2,521.62 and 584.67

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Solution

The fourth proportional to 1,680.31, 2,521.62 and 584.67 is: 877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.31 : 2,521.62 = 584.67 : x
  2. Step 2: Convert to fraction form
    1,680.31/2,521.62 = 584.67/x
  3. Step 3: Cross multiply
    1,680.31x = 2,521.62 × 584.67
  4. Step 4: Simplify right side
    1,680.31x = 1,474,315.57
  5. Step 5: Solve for x
    x = 1,474,315.57/1,680.31
  6. Step 6: Final answer
    x = 877.41

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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.