Home / 3,972-5,482.08-2,294.48

Finding the Fourth Proportional to 3,972, 5,482.08 and 2,294.48

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Solution

The fourth proportional to 3,972, 5,482.08 and 2,294.48 is: 3,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972 : 5,482.08 = 2,294.48 : x
  2. Step 2: Convert to fraction form
    3,972/5,482.08 = 2,294.48/x
  3. Step 3: Cross multiply
    3,972x = 5,482.08 × 2,294.48
  4. Step 4: Simplify right side
    3,972x = 12,578,522.92
  5. Step 5: Solve for x
    x = 12,578,522.92/3,972
  6. Step 6: Final answer
    x = 3,166.80

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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.