Home / 2,880.06-4,317.50-1,123.88

Finding the Fourth Proportional to 2,880.06, 4,317.50 and 1,123.88

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Solution

The fourth proportional to 2,880.06, 4,317.50 and 1,123.88 is: 1,684.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.06 : 4,317.50 = 1,123.88 : x
  2. Step 2: Convert to fraction form
    2,880.06/4,317.50 = 1,123.88/x
  3. Step 3: Cross multiply
    2,880.06x = 4,317.50 × 1,123.88
  4. Step 4: Simplify right side
    2,880.06x = 4,852,351.90
  5. Step 5: Solve for x
    x = 4,852,351.90/2,880.06
  6. Step 6: Final answer
    x = 1,684.81

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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.