Home / 2,823.45-3,896.51-1,564.65

Finding the Fourth Proportional to 2,823.45, 3,896.51 and 1,564.65

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Solution

The fourth proportional to 2,823.45, 3,896.51 and 1,564.65 is: 2,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.45 : 3,896.51 = 1,564.65 : x
  2. Step 2: Convert to fraction form
    2,823.45/3,896.51 = 1,564.65/x
  3. Step 3: Cross multiply
    2,823.45x = 3,896.51 × 1,564.65
  4. Step 4: Simplify right side
    2,823.45x = 6,096,674.37
  5. Step 5: Solve for x
    x = 6,096,674.37/2,823.45
  6. Step 6: Final answer
    x = 2,159.30

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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.