Home / 3,113.24-4,664.98-1,956.56

Finding the Fourth Proportional to 3,113.24, 4,664.98 and 1,956.56

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Solution

The fourth proportional to 3,113.24, 4,664.98 and 1,956.56 is: 2,931.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.24 : 4,664.98 = 1,956.56 : x
  2. Step 2: Convert to fraction form
    3,113.24/4,664.98 = 1,956.56/x
  3. Step 3: Cross multiply
    3,113.24x = 4,664.98 × 1,956.56
  4. Step 4: Simplify right side
    3,113.24x = 9,127,281.38
  5. Step 5: Solve for x
    x = 9,127,281.38/3,113.24
  6. Step 6: Final answer
    x = 2,931.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.