Home / 1,457.29-2,186.33-484.07

Finding the Fourth Proportional to 1,457.29, 2,186.33 and 484.07

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Solution

The fourth proportional to 1,457.29, 2,186.33 and 484.07 is: 726.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457.29 : 2,186.33 = 484.07 : x
  2. Step 2: Convert to fraction form
    1,457.29/2,186.33 = 484.07/x
  3. Step 3: Cross multiply
    1,457.29x = 2,186.33 × 484.07
  4. Step 4: Simplify right side
    1,457.29x = 1,058,336.76
  5. Step 5: Solve for x
    x = 1,058,336.76/1,457.29
  6. Step 6: Final answer
    x = 726.24

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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.