Home / 3,042.45-4,563.68-2,880.45

Finding the Fourth Proportional to 3,042.45, 4,563.68 and 2,880.45

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Solution

The fourth proportional to 3,042.45, 4,563.68 and 2,880.45 is: 4,320.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.45 : 4,563.68 = 2,880.45 : x
  2. Step 2: Convert to fraction form
    3,042.45/4,563.68 = 2,880.45/x
  3. Step 3: Cross multiply
    3,042.45x = 4,563.68 × 2,880.45
  4. Step 4: Simplify right side
    3,042.45x = 13,145,437.65
  5. Step 5: Solve for x
    x = 13,145,437.65/3,042.45
  6. Step 6: Final answer
    x = 4,320.68

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Similar ratio
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1.5x scale

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.