Home / 2,865.28-4,295.88-1,403.50

Finding the Fourth Proportional to 2,865.28, 4,295.88 and 1,403.50

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Solution

The fourth proportional to 2,865.28, 4,295.88 and 1,403.50 is: 2,104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.28 : 4,295.88 = 1,403.50 : x
  2. Step 2: Convert to fraction form
    2,865.28/4,295.88 = 1,403.50/x
  3. Step 3: Cross multiply
    2,865.28x = 4,295.88 × 1,403.50
  4. Step 4: Simplify right side
    2,865.28x = 6,029,267.58
  5. Step 5: Solve for x
    x = 6,029,267.58/2,865.28
  6. Step 6: Final answer
    x = 2,104.25

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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.