Home / 1,885.38-2,828.13-586.81

Finding the Fourth Proportional to 1,885.38, 2,828.13 and 586.81

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Solution

The fourth proportional to 1,885.38, 2,828.13 and 586.81 is: 880.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.38 : 2,828.13 = 586.81 : x
  2. Step 2: Convert to fraction form
    1,885.38/2,828.13 = 586.81/x
  3. Step 3: Cross multiply
    1,885.38x = 2,828.13 × 586.81
  4. Step 4: Simplify right side
    1,885.38x = 1,659,574.97
  5. Step 5: Solve for x
    x = 1,659,574.97/1,885.38
  6. Step 6: Final answer
    x = 880.23

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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.