Home / 3,487.04-4,812-2,088.80

Finding the Fourth Proportional to 3,487.04, 4,812 and 2,088.80

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Solution

The fourth proportional to 3,487.04, 4,812 and 2,088.80 is: 2,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.04 : 4,812 = 2,088.80 : x
  2. Step 2: Convert to fraction form
    3,487.04/4,812 = 2,088.80/x
  3. Step 3: Cross multiply
    3,487.04x = 4,812 × 2,088.80
  4. Step 4: Simplify right side
    3,487.04x = 10,051,305.60
  5. Step 5: Solve for x
    x = 10,051,305.60/3,487.04
  6. Step 6: Final answer
    x = 2,882.47

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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.