Home / 1,358.28-2,036.99-578.27

Finding the Fourth Proportional to 1,358.28, 2,036.99 and 578.27

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Solution

The fourth proportional to 1,358.28, 2,036.99 and 578.27 is: 867.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358.28 : 2,036.99 = 578.27 : x
  2. Step 2: Convert to fraction form
    1,358.28/2,036.99 = 578.27/x
  3. Step 3: Cross multiply
    1,358.28x = 2,036.99 × 578.27
  4. Step 4: Simplify right side
    1,358.28x = 1,177,936.75
  5. Step 5: Solve for x
    x = 1,177,936.75/1,358.28
  6. Step 6: Final answer
    x = 867.23

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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.