Home / 1,776.04-2,664.70-802.20

Finding the Fourth Proportional to 1,776.04, 2,664.70 and 802.20

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Solution

The fourth proportional to 1,776.04, 2,664.70 and 802.20 is: 1,203.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.04 : 2,664.70 = 802.20 : x
  2. Step 2: Convert to fraction form
    1,776.04/2,664.70 = 802.20/x
  3. Step 3: Cross multiply
    1,776.04x = 2,664.70 × 802.20
  4. Step 4: Simplify right side
    1,776.04x = 2,137,622.34
  5. Step 5: Solve for x
    x = 2,137,622.34/1,776.04
  6. Step 6: Final answer
    x = 1,203.59

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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.