Home / 2,765.52-4,140.48-2,114.28

Finding the Fourth Proportional to 2,765.52, 4,140.48 and 2,114.28

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Solution

The fourth proportional to 2,765.52, 4,140.48 and 2,114.28 is: 3,165.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.52 : 4,140.48 = 2,114.28 : x
  2. Step 2: Convert to fraction form
    2,765.52/4,140.48 = 2,114.28/x
  3. Step 3: Cross multiply
    2,765.52x = 4,140.48 × 2,114.28
  4. Step 4: Simplify right side
    2,765.52x = 8,754,134.05
  5. Step 5: Solve for x
    x = 8,754,134.05/2,765.52
  6. Step 6: Final answer
    x = 3,165.46

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1.5x scale

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.