Home / 2,880.46-4,320.49-1,031.23

Finding the Fourth Proportional to 2,880.46, 4,320.49 and 1,031.23

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Solution

The fourth proportional to 2,880.46, 4,320.49 and 1,031.23 is: 1,546.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.46 : 4,320.49 = 1,031.23 : x
  2. Step 2: Convert to fraction form
    2,880.46/4,320.49 = 1,031.23/x
  3. Step 3: Cross multiply
    2,880.46x = 4,320.49 × 1,031.23
  4. Step 4: Simplify right side
    2,880.46x = 4,455,418.90
  5. Step 5: Solve for x
    x = 4,455,418.90/2,880.46
  6. Step 6: Final answer
    x = 1,546.77

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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.