Home / 2,880.21-4,318.77-1,030.31

Finding the Fourth Proportional to 2,880.21, 4,318.77 and 1,030.31

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Solution

The fourth proportional to 2,880.21, 4,318.77 and 1,030.31 is: 1,544.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.21 : 4,318.77 = 1,030.31 : x
  2. Step 2: Convert to fraction form
    2,880.21/4,318.77 = 1,030.31/x
  3. Step 3: Cross multiply
    2,880.21x = 4,318.77 × 1,030.31
  4. Step 4: Simplify right side
    2,880.21x = 4,449,671.92
  5. Step 5: Solve for x
    x = 4,449,671.92/2,880.21
  6. Step 6: Final answer
    x = 1,544.91

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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.