Home / 2,869.51-3,956.81-2,493.17

Finding the Fourth Proportional to 2,869.51, 3,956.81 and 2,493.17

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Solution

The fourth proportional to 2,869.51, 3,956.81 and 2,493.17 is: 3,437.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.51 : 3,956.81 = 2,493.17 : x
  2. Step 2: Convert to fraction form
    2,869.51/3,956.81 = 2,493.17/x
  3. Step 3: Cross multiply
    2,869.51x = 3,956.81 × 2,493.17
  4. Step 4: Simplify right side
    2,869.51x = 9,864,999.99
  5. Step 5: Solve for x
    x = 9,864,999.99/2,869.51
  6. Step 6: Final answer
    x = 3,437.87

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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.