Home / 3,075.30-4,614.77-2,880.71

Finding the Fourth Proportional to 3,075.30, 4,614.77 and 2,880.71

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Solution

The fourth proportional to 3,075.30, 4,614.77 and 2,880.71 is: 4,322.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.30 : 4,614.77 = 2,880.71 : x
  2. Step 2: Convert to fraction form
    3,075.30/4,614.77 = 2,880.71/x
  3. Step 3: Cross multiply
    3,075.30x = 4,614.77 × 2,880.71
  4. Step 4: Simplify right side
    3,075.30x = 13,293,815.52
  5. Step 5: Solve for x
    x = 13,293,815.52/3,075.30
  6. Step 6: Final answer
    x = 4,322.77

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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.