Home / 2,437.43-3,650.88-1,280.75

Finding the Fourth Proportional to 2,437.43, 3,650.88 and 1,280.75

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Solution

The fourth proportional to 2,437.43, 3,650.88 and 1,280.75 is: 1,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,437.43 : 3,650.88 = 1,280.75 : x
  2. Step 2: Convert to fraction form
    2,437.43/3,650.88 = 1,280.75/x
  3. Step 3: Cross multiply
    2,437.43x = 3,650.88 × 1,280.75
  4. Step 4: Simplify right side
    2,437.43x = 4,675,864.56
  5. Step 5: Solve for x
    x = 4,675,864.56/2,437.43
  6. Step 6: Final answer
    x = 1,918.36

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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.