Home / 2,880.92-4,317.79-1,235.56

Finding the Fourth Proportional to 2,880.92, 4,317.79 and 1,235.56

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Solution

The fourth proportional to 2,880.92, 4,317.79 and 1,235.56 is: 1,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.92 : 4,317.79 = 1,235.56 : x
  2. Step 2: Convert to fraction form
    2,880.92/4,317.79 = 1,235.56/x
  3. Step 3: Cross multiply
    2,880.92x = 4,317.79 × 1,235.56
  4. Step 4: Simplify right side
    2,880.92x = 5,334,888.61
  5. Step 5: Solve for x
    x = 5,334,888.61/2,880.92
  6. Step 6: Final answer
    x = 1,851.80

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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.