Home / 2,187.04-3,279.84-800.16

Finding the Fourth Proportional to 2,187.04, 3,279.84 and 800.16

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Solution

The fourth proportional to 2,187.04, 3,279.84 and 800.16 is: 1,199.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.04 : 3,279.84 = 800.16 : x
  2. Step 2: Convert to fraction form
    2,187.04/3,279.84 = 800.16/x
  3. Step 3: Cross multiply
    2,187.04x = 3,279.84 × 800.16
  4. Step 4: Simplify right side
    2,187.04x = 2,624,396.77
  5. Step 5: Solve for x
    x = 2,624,396.77/2,187.04
  6. Step 6: Final answer
    x = 1,199.98

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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.