Home / 1,487.13-2,229.09-1,410.22

Finding the Fourth Proportional to 1,487.13, 2,229.09 and 1,410.22

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Solution

The fourth proportional to 1,487.13, 2,229.09 and 1,410.22 is: 2,113.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487.13 : 2,229.09 = 1,410.22 : x
  2. Step 2: Convert to fraction form
    1,487.13/2,229.09 = 1,410.22/x
  3. Step 3: Cross multiply
    1,487.13x = 2,229.09 × 1,410.22
  4. Step 4: Simplify right side
    1,487.13x = 3,143,507.30
  5. Step 5: Solve for x
    x = 3,143,507.30/1,487.13
  6. Step 6: Final answer
    x = 2,113.81

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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.