Home / 3,045.42-4,202.67-1,648.17

Finding the Fourth Proportional to 3,045.42, 4,202.67 and 1,648.17

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Solution

The fourth proportional to 3,045.42, 4,202.67 and 1,648.17 is: 2,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.42 : 4,202.67 = 1,648.17 : x
  2. Step 2: Convert to fraction form
    3,045.42/4,202.67 = 1,648.17/x
  3. Step 3: Cross multiply
    3,045.42x = 4,202.67 × 1,648.17
  4. Step 4: Simplify right side
    3,045.42x = 6,926,730.30
  5. Step 5: Solve for x
    x = 6,926,730.30/3,045.42
  6. Step 6: Final answer
    x = 2,274.47

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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.