Home / 3,457.17-5,180.90-1,505.28

Finding the Fourth Proportional to 3,457.17, 5,180.90 and 1,505.28

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Solution

The fourth proportional to 3,457.17, 5,180.90 and 1,505.28 is: 2,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.17 : 5,180.90 = 1,505.28 : x
  2. Step 2: Convert to fraction form
    3,457.17/5,180.90 = 1,505.28/x
  3. Step 3: Cross multiply
    3,457.17x = 5,180.90 × 1,505.28
  4. Step 4: Simplify right side
    3,457.17x = 7,798,697.63
  5. Step 5: Solve for x
    x = 7,798,697.63/3,457.17
  6. Step 6: Final answer
    x = 2,255.80

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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.