Home / 1,484.04-2,225.90-388.41

Finding the Fourth Proportional to 1,484.04, 2,225.90 and 388.41

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Solution

The fourth proportional to 1,484.04, 2,225.90 and 388.41 is: 582.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.04 : 2,225.90 = 388.41 : x
  2. Step 2: Convert to fraction form
    1,484.04/2,225.90 = 388.41/x
  3. Step 3: Cross multiply
    1,484.04x = 2,225.90 × 388.41
  4. Step 4: Simplify right side
    1,484.04x = 864,559.88
  5. Step 5: Solve for x
    x = 864,559.88/1,484.04
  6. Step 6: Final answer
    x = 582.57

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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.