Home / 2,868.40-4,300.04-1,135.84

Finding the Fourth Proportional to 2,868.40, 4,300.04 and 1,135.84

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Solution

The fourth proportional to 2,868.40, 4,300.04 and 1,135.84 is: 1,702.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.40 : 4,300.04 = 1,135.84 : x
  2. Step 2: Convert to fraction form
    2,868.40/4,300.04 = 1,135.84/x
  3. Step 3: Cross multiply
    2,868.40x = 4,300.04 × 1,135.84
  4. Step 4: Simplify right side
    2,868.40x = 4,884,157.43
  5. Step 5: Solve for x
    x = 4,884,157.43/2,868.40
  6. Step 6: Final answer
    x = 1,702.75

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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.