Home / 2,472.46-3,412.75-1,425.22

Finding the Fourth Proportional to 2,472.46, 3,412.75 and 1,425.22

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Solution

The fourth proportional to 2,472.46, 3,412.75 and 1,425.22 is: 1,967.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.46 : 3,412.75 = 1,425.22 : x
  2. Step 2: Convert to fraction form
    2,472.46/3,412.75 = 1,425.22/x
  3. Step 3: Cross multiply
    2,472.46x = 3,412.75 × 1,425.22
  4. Step 4: Simplify right side
    2,472.46x = 4,863,902.49
  5. Step 5: Solve for x
    x = 4,863,902.49/2,472.46
  6. Step 6: Final answer
    x = 1,967.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.