Home / 2,425.84-3,347.46-1,378.06

Finding the Fourth Proportional to 2,425.84, 3,347.46 and 1,378.06

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Solution

The fourth proportional to 2,425.84, 3,347.46 and 1,378.06 is: 1,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.84 : 3,347.46 = 1,378.06 : x
  2. Step 2: Convert to fraction form
    2,425.84/3,347.46 = 1,378.06/x
  3. Step 3: Cross multiply
    2,425.84x = 3,347.46 × 1,378.06
  4. Step 4: Simplify right side
    2,425.84x = 4,613,000.73
  5. Step 5: Solve for x
    x = 4,613,000.73/2,425.84
  6. Step 6: Final answer
    x = 1,901.61

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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.