Home / 2,859.65-4,288.57-1,472.81

Finding the Fourth Proportional to 2,859.65, 4,288.57 and 1,472.81

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Solution

The fourth proportional to 2,859.65, 4,288.57 and 1,472.81 is: 2,208.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.65 : 4,288.57 = 1,472.81 : x
  2. Step 2: Convert to fraction form
    2,859.65/4,288.57 = 1,472.81/x
  3. Step 3: Cross multiply
    2,859.65x = 4,288.57 × 1,472.81
  4. Step 4: Simplify right side
    2,859.65x = 6,316,234.38
  5. Step 5: Solve for x
    x = 6,316,234.38/2,859.65
  6. Step 6: Final answer
    x = 2,208.74

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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.