Home / 1,023.29-1,412.10-581.18

Finding the Fourth Proportional to 1,023.29, 1,412.10 and 581.18

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Solution

The fourth proportional to 1,023.29, 1,412.10 and 581.18 is: 802.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023.29 : 1,412.10 = 581.18 : x
  2. Step 2: Convert to fraction form
    1,023.29/1,412.10 = 581.18/x
  3. Step 3: Cross multiply
    1,023.29x = 1,412.10 × 581.18
  4. Step 4: Simplify right side
    1,023.29x = 820,677.22
  5. Step 5: Solve for x
    x = 820,677.22/1,023.29
  6. Step 6: Final answer
    x = 802.00

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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.