Home / 2,962.87-4,088.91-1,966.45

Finding the Fourth Proportional to 2,962.87, 4,088.91 and 1,966.45

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Solution

The fourth proportional to 2,962.87, 4,088.91 and 1,966.45 is: 2,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.87 : 4,088.91 = 1,966.45 : x
  2. Step 2: Convert to fraction form
    2,962.87/4,088.91 = 1,966.45/x
  3. Step 3: Cross multiply
    2,962.87x = 4,088.91 × 1,966.45
  4. Step 4: Simplify right side
    2,962.87x = 8,040,637.07
  5. Step 5: Solve for x
    x = 8,040,637.07/2,962.87
  6. Step 6: Final answer
    x = 2,713.80

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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.