Home / 2,904.28-4,006.32-1,724.51

Finding the Fourth Proportional to 2,904.28, 4,006.32 and 1,724.51

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Solution

The fourth proportional to 2,904.28, 4,006.32 and 1,724.51 is: 2,378.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.28 : 4,006.32 = 1,724.51 : x
  2. Step 2: Convert to fraction form
    2,904.28/4,006.32 = 1,724.51/x
  3. Step 3: Cross multiply
    2,904.28x = 4,006.32 × 1,724.51
  4. Step 4: Simplify right side
    2,904.28x = 6,908,938.90
  5. Step 5: Solve for x
    x = 6,908,938.90/2,904.28
  6. Step 6: Final answer
    x = 2,378.88

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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.