Home / 1,482.44-2,047.68-1,353.65

Finding the Fourth Proportional to 1,482.44, 2,047.68 and 1,353.65

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Solution

The fourth proportional to 1,482.44, 2,047.68 and 1,353.65 is: 1,869.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.44 : 2,047.68 = 1,353.65 : x
  2. Step 2: Convert to fraction form
    1,482.44/2,047.68 = 1,353.65/x
  3. Step 3: Cross multiply
    1,482.44x = 2,047.68 × 1,353.65
  4. Step 4: Simplify right side
    1,482.44x = 2,771,831.79
  5. Step 5: Solve for x
    x = 2,771,831.79/1,482.44
  6. Step 6: Final answer
    x = 1,869.78

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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.