Home / 1,326.27-1,829.96-802.29

Finding the Fourth Proportional to 1,326.27, 1,829.96 and 802.29

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Solution

The fourth proportional to 1,326.27, 1,829.96 and 802.29 is: 1,106.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326.27 : 1,829.96 = 802.29 : x
  2. Step 2: Convert to fraction form
    1,326.27/1,829.96 = 802.29/x
  3. Step 3: Cross multiply
    1,326.27x = 1,829.96 × 802.29
  4. Step 4: Simplify right side
    1,326.27x = 1,468,160.61
  5. Step 5: Solve for x
    x = 1,468,160.61/1,326.27
  6. Step 6: Final answer
    x = 1,106.98

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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.