Home / 3,101.66-4,650.25-1,457.29

Finding the Fourth Proportional to 3,101.66, 4,650.25 and 1,457.29

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Solution

The fourth proportional to 3,101.66, 4,650.25 and 1,457.29 is: 2,184.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.66 : 4,650.25 = 1,457.29 : x
  2. Step 2: Convert to fraction form
    3,101.66/4,650.25 = 1,457.29/x
  3. Step 3: Cross multiply
    3,101.66x = 4,650.25 × 1,457.29
  4. Step 4: Simplify right side
    3,101.66x = 6,776,762.82
  5. Step 5: Solve for x
    x = 6,776,762.82/3,101.66
  6. Step 6: Final answer
    x = 2,184.88

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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.