Home / 3,148.63-4,720.92-1,505.14

Finding the Fourth Proportional to 3,148.63, 4,720.92 and 1,505.14

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Solution

The fourth proportional to 3,148.63, 4,720.92 and 1,505.14 is: 2,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.63 : 4,720.92 = 1,505.14 : x
  2. Step 2: Convert to fraction form
    3,148.63/4,720.92 = 1,505.14/x
  3. Step 3: Cross multiply
    3,148.63x = 4,720.92 × 1,505.14
  4. Step 4: Simplify right side
    3,148.63x = 7,105,645.53
  5. Step 5: Solve for x
    x = 7,105,645.53/3,148.63
  6. Step 6: Final answer
    x = 2,256.74

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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.