Home / 3,457.51-5,187.30-1,609.72

Finding the Fourth Proportional to 3,457.51, 5,187.30 and 1,609.72

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Solution

The fourth proportional to 3,457.51, 5,187.30 and 1,609.72 is: 2,415.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.51 : 5,187.30 = 1,609.72 : x
  2. Step 2: Convert to fraction form
    3,457.51/5,187.30 = 1,609.72/x
  3. Step 3: Cross multiply
    3,457.51x = 5,187.30 × 1,609.72
  4. Step 4: Simplify right side
    3,457.51x = 8,350,100.56
  5. Step 5: Solve for x
    x = 8,350,100.56/3,457.51
  6. Step 6: Final answer
    x = 2,415.06

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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.