Home / 2,420.57-3,632.13-1,251.06

Finding the Fourth Proportional to 2,420.57, 3,632.13 and 1,251.06

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Solution

The fourth proportional to 2,420.57, 3,632.13 and 1,251.06 is: 1,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.57 : 3,632.13 = 1,251.06 : x
  2. Step 2: Convert to fraction form
    2,420.57/3,632.13 = 1,251.06/x
  3. Step 3: Cross multiply
    2,420.57x = 3,632.13 × 1,251.06
  4. Step 4: Simplify right side
    2,420.57x = 4,544,012.56
  5. Step 5: Solve for x
    x = 4,544,012.56/2,420.57
  6. Step 6: Final answer
    x = 1,877.25

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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.