Home / 4,521.80-6,781.67-1,600.10

Finding the Fourth Proportional to 4,521.80, 6,781.67 and 1,600.10

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Solution

The fourth proportional to 4,521.80, 6,781.67 and 1,600.10 is: 2,399.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.80 : 6,781.67 = 1,600.10 : x
  2. Step 2: Convert to fraction form
    4,521.80/6,781.67 = 1,600.10/x
  3. Step 3: Cross multiply
    4,521.80x = 6,781.67 × 1,600.10
  4. Step 4: Simplify right side
    4,521.80x = 10,851,386.84
  5. Step 5: Solve for x
    x = 10,851,386.84/4,521.80
  6. Step 6: Final answer
    x = 2,399.79

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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.