Home / 2,880.28-4,309.50-1,710.88

Finding the Fourth Proportional to 2,880.28, 4,309.50 and 1,710.88

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Solution

The fourth proportional to 2,880.28, 4,309.50 and 1,710.88 is: 2,559.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.28 : 4,309.50 = 1,710.88 : x
  2. Step 2: Convert to fraction form
    2,880.28/4,309.50 = 1,710.88/x
  3. Step 3: Cross multiply
    2,880.28x = 4,309.50 × 1,710.88
  4. Step 4: Simplify right side
    2,880.28x = 7,373,037.36
  5. Step 5: Solve for x
    x = 7,373,037.36/2,880.28
  6. Step 6: Final answer
    x = 2,559.83

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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.