Home / 2,445.66-3,669.17-802.35

Finding the Fourth Proportional to 2,445.66, 3,669.17 and 802.35

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Solution

The fourth proportional to 2,445.66, 3,669.17 and 802.35 is: 1,203.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.66 : 3,669.17 = 802.35 : x
  2. Step 2: Convert to fraction form
    2,445.66/3,669.17 = 802.35/x
  3. Step 3: Cross multiply
    2,445.66x = 3,669.17 × 802.35
  4. Step 4: Simplify right side
    2,445.66x = 2,943,954.54
  5. Step 5: Solve for x
    x = 2,943,954.54/2,445.66
  6. Step 6: Final answer
    x = 1,203.75

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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.