Home / 1,680.72-2,521.80-584.48

Finding the Fourth Proportional to 1,680.72, 2,521.80 and 584.48

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Solution

The fourth proportional to 1,680.72, 2,521.80 and 584.48 is: 876.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.72 : 2,521.80 = 584.48 : x
  2. Step 2: Convert to fraction form
    1,680.72/2,521.80 = 584.48/x
  3. Step 3: Cross multiply
    1,680.72x = 2,521.80 × 584.48
  4. Step 4: Simplify right side
    1,680.72x = 1,473,945.05
  5. Step 5: Solve for x
    x = 1,473,945.05/1,680.72
  6. Step 6: Final answer
    x = 876.98

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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.