Home / 1,776.16-2,664.48-802.24

Finding the Fourth Proportional to 1,776.16, 2,664.48 and 802.24

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Solution

The fourth proportional to 1,776.16, 2,664.48 and 802.24 is: 1,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.16 : 2,664.48 = 802.24 : x
  2. Step 2: Convert to fraction form
    1,776.16/2,664.48 = 802.24/x
  3. Step 3: Cross multiply
    1,776.16x = 2,664.48 × 802.24
  4. Step 4: Simplify right side
    1,776.16x = 2,137,552.44
  5. Step 5: Solve for x
    x = 2,137,552.44/1,776.16
  6. Step 6: Final answer
    x = 1,203.47

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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.