Home / 2,880.87-4,322.65-1,493.45

Finding the Fourth Proportional to 2,880.87, 4,322.65 and 1,493.45

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Solution

The fourth proportional to 2,880.87, 4,322.65 and 1,493.45 is: 2,240.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.87 : 4,322.65 = 1,493.45 : x
  2. Step 2: Convert to fraction form
    2,880.87/4,322.65 = 1,493.45/x
  3. Step 3: Cross multiply
    2,880.87x = 4,322.65 × 1,493.45
  4. Step 4: Simplify right side
    2,880.87x = 6,455,667.69
  5. Step 5: Solve for x
    x = 6,455,667.69/2,880.87
  6. Step 6: Final answer
    x = 2,240.88

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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.