Home / 3,406.24-5,109.36-1,457.18

Finding the Fourth Proportional to 3,406.24, 5,109.36 and 1,457.18

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Solution

The fourth proportional to 3,406.24, 5,109.36 and 1,457.18 is: 2,185.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.24 : 5,109.36 = 1,457.18 : x
  2. Step 2: Convert to fraction form
    3,406.24/5,109.36 = 1,457.18/x
  3. Step 3: Cross multiply
    3,406.24x = 5,109.36 × 1,457.18
  4. Step 4: Simplify right side
    3,406.24x = 7,445,257.20
  5. Step 5: Solve for x
    x = 7,445,257.20/3,406.24
  6. Step 6: Final answer
    x = 2,185.77

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1.5x scale

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.