Home / 1,776.12-2,664.48-802.29

Finding the Fourth Proportional to 1,776.12, 2,664.48 and 802.29

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Solution

The fourth proportional to 1,776.12, 2,664.48 and 802.29 is: 1,203.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.12 : 2,664.48 = 802.29 : x
  2. Step 2: Convert to fraction form
    1,776.12/2,664.48 = 802.29/x
  3. Step 3: Cross multiply
    1,776.12x = 2,664.48 × 802.29
  4. Step 4: Simplify right side
    1,776.12x = 2,137,685.66
  5. Step 5: Solve for x
    x = 2,137,685.66/1,776.12
  6. Step 6: Final answer
    x = 1,203.57

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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.