Home / 1,023.46-1,412.37-581.43

Finding the Fourth Proportional to 1,023.46, 1,412.37 and 581.43

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Solution

The fourth proportional to 1,023.46, 1,412.37 and 581.43 is: 802.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023.46 : 1,412.37 = 581.43 : x
  2. Step 2: Convert to fraction form
    1,023.46/1,412.37 = 581.43/x
  3. Step 3: Cross multiply
    1,023.46x = 1,412.37 × 581.43
  4. Step 4: Simplify right side
    1,023.46x = 821,194.29
  5. Step 5: Solve for x
    x = 821,194.29/1,023.46
  6. Step 6: Final answer
    x = 802.37

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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.