Home / 2,865.06-4,300-1,134.90

Finding the Fourth Proportional to 2,865.06, 4,300 and 1,134.90

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Solution

The fourth proportional to 2,865.06, 4,300 and 1,134.90 is: 1,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.06 : 4,300 = 1,134.90 : x
  2. Step 2: Convert to fraction form
    2,865.06/4,300 = 1,134.90/x
  3. Step 3: Cross multiply
    2,865.06x = 4,300 × 1,134.90
  4. Step 4: Simplify right side
    2,865.06x = 4,880,070
  5. Step 5: Solve for x
    x = 4,880,070/2,865.06
  6. Step 6: Final answer
    x = 1,703.30

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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.