Home / 4,017.84-5,982.18-3,998.40

Finding the Fourth Proportional to 4,017.84, 5,982.18 and 3,998.40

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Solution

The fourth proportional to 4,017.84, 5,982.18 and 3,998.40 is: 5,953.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,017.84 : 5,982.18 = 3,998.40 : x
  2. Step 2: Convert to fraction form
    4,017.84/5,982.18 = 3,998.40/x
  3. Step 3: Cross multiply
    4,017.84x = 5,982.18 × 3,998.40
  4. Step 4: Simplify right side
    4,017.84x = 23,919,148.51
  5. Step 5: Solve for x
    x = 23,919,148.51/4,017.84
  6. Step 6: Final answer
    x = 5,953.24

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.