Home / 4,602.80-6,904.66-1,680.42

Finding the Fourth Proportional to 4,602.80, 6,904.66 and 1,680.42

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Solution

The fourth proportional to 4,602.80, 6,904.66 and 1,680.42 is: 2,520.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,602.80 : 6,904.66 = 1,680.42 : x
  2. Step 2: Convert to fraction form
    4,602.80/6,904.66 = 1,680.42/x
  3. Step 3: Cross multiply
    4,602.80x = 6,904.66 × 1,680.42
  4. Step 4: Simplify right side
    4,602.80x = 11,602,728.76
  5. Step 5: Solve for x
    x = 11,602,728.76/4,602.80
  6. Step 6: Final answer
    x = 2,520.80

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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.