Home / 2,559.45-3,834.51-1,777.80

Finding the Fourth Proportional to 2,559.45, 3,834.51 and 1,777.80

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Solution

The fourth proportional to 2,559.45, 3,834.51 and 1,777.80 is: 2,663.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.45 : 3,834.51 = 1,777.80 : x
  2. Step 2: Convert to fraction form
    2,559.45/3,834.51 = 1,777.80/x
  3. Step 3: Cross multiply
    2,559.45x = 3,834.51 × 1,777.80
  4. Step 4: Simplify right side
    2,559.45x = 6,816,972.71
  5. Step 5: Solve for x
    x = 6,816,972.71/2,559.45
  6. Step 6: Final answer
    x = 2,663.46

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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.