Home / 1,457.16-2,181.62-1,342.34

Finding the Fourth Proportional to 1,457.16, 2,181.62 and 1,342.34

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Solution

The fourth proportional to 1,457.16, 2,181.62 and 1,342.34 is: 2,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457.16 : 2,181.62 = 1,342.34 : x
  2. Step 2: Convert to fraction form
    1,457.16/2,181.62 = 1,342.34/x
  3. Step 3: Cross multiply
    1,457.16x = 2,181.62 × 1,342.34
  4. Step 4: Simplify right side
    1,457.16x = 2,928,469.08
  5. Step 5: Solve for x
    x = 2,928,469.08/1,457.16
  6. Step 6: Final answer
    x = 2,009.71

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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.