Home / 3,136.32-4,703.28-944.40

Finding the Fourth Proportional to 3,136.32, 4,703.28 and 944.40

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Solution

The fourth proportional to 3,136.32, 4,703.28 and 944.40 is: 1,416.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.32 : 4,703.28 = 944.40 : x
  2. Step 2: Convert to fraction form
    3,136.32/4,703.28 = 944.40/x
  3. Step 3: Cross multiply
    3,136.32x = 4,703.28 × 944.40
  4. Step 4: Simplify right side
    3,136.32x = 4,441,777.63
  5. Step 5: Solve for x
    x = 4,441,777.63/3,136.32
  6. Step 6: Final answer
    x = 1,416.24

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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.