Home / 3,638.06-5,457.18-1,041.20

Finding the Fourth Proportional to 3,638.06, 5,457.18 and 1,041.20

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Solution

The fourth proportional to 3,638.06, 5,457.18 and 1,041.20 is: 1,561.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.06 : 5,457.18 = 1,041.20 : x
  2. Step 2: Convert to fraction form
    3,638.06/5,457.18 = 1,041.20/x
  3. Step 3: Cross multiply
    3,638.06x = 5,457.18 × 1,041.20
  4. Step 4: Simplify right side
    3,638.06x = 5,682,015.82
  5. Step 5: Solve for x
    x = 5,682,015.82/3,638.06
  6. Step 6: Final answer
    x = 1,561.83

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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.