Home / 3,045.43-4,202.70-1,648.18

Finding the Fourth Proportional to 3,045.43, 4,202.70 and 1,648.18

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Solution

The fourth proportional to 3,045.43, 4,202.70 and 1,648.18 is: 2,274.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.43 : 4,202.70 = 1,648.18 : x
  2. Step 2: Convert to fraction form
    3,045.43/4,202.70 = 1,648.18/x
  3. Step 3: Cross multiply
    3,045.43x = 4,202.70 × 1,648.18
  4. Step 4: Simplify right side
    3,045.43x = 6,926,795.58
  5. Step 5: Solve for x
    x = 6,926,795.58/3,045.43
  6. Step 6: Final answer
    x = 2,274.49

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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.