Home / 2,810.60-4,218.06-2,427.56

Finding the Fourth Proportional to 2,810.60, 4,218.06 and 2,427.56

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Solution

The fourth proportional to 2,810.60, 4,218.06 and 2,427.56 is: 3,643.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.60 : 4,218.06 = 2,427.56 : x
  2. Step 2: Convert to fraction form
    2,810.60/4,218.06 = 2,427.56/x
  3. Step 3: Cross multiply
    2,810.60x = 4,218.06 × 2,427.56
  4. Step 4: Simplify right side
    2,810.60x = 10,239,593.73
  5. Step 5: Solve for x
    x = 10,239,593.73/2,810.60
  6. Step 6: Final answer
    x = 3,643.21

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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.