Home / 1,457.88-2,010.12-1,191.34

Finding the Fourth Proportional to 1,457.88, 2,010.12 and 1,191.34

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Solution

The fourth proportional to 1,457.88, 2,010.12 and 1,191.34 is: 1,642.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457.88 : 2,010.12 = 1,191.34 : x
  2. Step 2: Convert to fraction form
    1,457.88/2,010.12 = 1,191.34/x
  3. Step 3: Cross multiply
    1,457.88x = 2,010.12 × 1,191.34
  4. Step 4: Simplify right side
    1,457.88x = 2,394,736.36
  5. Step 5: Solve for x
    x = 2,394,736.36/1,457.88
  6. Step 6: Final answer
    x = 1,642.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.