Home / 2,869.42-3,963.51-2,214.37

Finding the Fourth Proportional to 2,869.42, 3,963.51 and 2,214.37

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Solution

The fourth proportional to 2,869.42, 3,963.51 and 2,214.37 is: 3,058.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.42 : 3,963.51 = 2,214.37 : x
  2. Step 2: Convert to fraction form
    2,869.42/3,963.51 = 2,214.37/x
  3. Step 3: Cross multiply
    2,869.42x = 3,963.51 × 2,214.37
  4. Step 4: Simplify right side
    2,869.42x = 8,776,677.64
  5. Step 5: Solve for x
    x = 8,776,677.64/2,869.42
  6. Step 6: Final answer
    x = 3,058.69

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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.