Home / 2,892.08-3,990.93-1,633.16

Finding the Fourth Proportional to 2,892.08, 3,990.93 and 1,633.16

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Solution

The fourth proportional to 2,892.08, 3,990.93 and 1,633.16 is: 2,253.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.08 : 3,990.93 = 1,633.16 : x
  2. Step 2: Convert to fraction form
    2,892.08/3,990.93 = 1,633.16/x
  3. Step 3: Cross multiply
    2,892.08x = 3,990.93 × 1,633.16
  4. Step 4: Simplify right side
    2,892.08x = 6,517,807.28
  5. Step 5: Solve for x
    x = 6,517,807.28/2,892.08
  6. Step 6: Final answer
    x = 2,253.68

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1.5x scale

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.