Home / 3,649.90-5,473.50-2,871.42

Finding the Fourth Proportional to 3,649.90, 5,473.50 and 2,871.42

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Solution

The fourth proportional to 3,649.90, 5,473.50 and 2,871.42 is: 4,306.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.90 : 5,473.50 = 2,871.42 : x
  2. Step 2: Convert to fraction form
    3,649.90/5,473.50 = 2,871.42/x
  3. Step 3: Cross multiply
    3,649.90x = 5,473.50 × 2,871.42
  4. Step 4: Simplify right side
    3,649.90x = 15,716,717.37
  5. Step 5: Solve for x
    x = 15,716,717.37/3,649.90
  6. Step 6: Final answer
    x = 4,306.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.