Home / 1,529.46-2,295.34-1,119.65

Finding the Fourth Proportional to 1,529.46, 2,295.34 and 1,119.65

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Solution

The fourth proportional to 1,529.46, 2,295.34 and 1,119.65 is: 1,680.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.46 : 2,295.34 = 1,119.65 : x
  2. Step 2: Convert to fraction form
    1,529.46/2,295.34 = 1,119.65/x
  3. Step 3: Cross multiply
    1,529.46x = 2,295.34 × 1,119.65
  4. Step 4: Simplify right side
    1,529.46x = 2,569,980.37
  5. Step 5: Solve for x
    x = 2,569,980.37/1,529.46
  6. Step 6: Final answer
    x = 1,680.32

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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.