Home / 2,880.35-4,320.06-1,031.15

Finding the Fourth Proportional to 2,880.35, 4,320.06 and 1,031.15

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Solution

The fourth proportional to 2,880.35, 4,320.06 and 1,031.15 is: 1,546.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.35 : 4,320.06 = 1,031.15 : x
  2. Step 2: Convert to fraction form
    2,880.35/4,320.06 = 1,031.15/x
  3. Step 3: Cross multiply
    2,880.35x = 4,320.06 × 1,031.15
  4. Step 4: Simplify right side
    2,880.35x = 4,454,629.87
  5. Step 5: Solve for x
    x = 4,454,629.87/2,880.35
  6. Step 6: Final answer
    x = 1,546.56

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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.