Home / 3,967.95-5,475.81-2,199.58

Finding the Fourth Proportional to 3,967.95, 5,475.81 and 2,199.58

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Solution

The fourth proportional to 3,967.95, 5,475.81 and 2,199.58 is: 3,035.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.95 : 5,475.81 = 2,199.58 : x
  2. Step 2: Convert to fraction form
    3,967.95/5,475.81 = 2,199.58/x
  3. Step 3: Cross multiply
    3,967.95x = 5,475.81 × 2,199.58
  4. Step 4: Simplify right side
    3,967.95x = 12,044,482.16
  5. Step 5: Solve for x
    x = 12,044,482.16/3,967.95
  6. Step 6: Final answer
    x = 3,035.44

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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.