Home / 1,802.02-2,696.28-1,283.22

Finding the Fourth Proportional to 1,802.02, 2,696.28 and 1,283.22

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Solution

The fourth proportional to 1,802.02, 2,696.28 and 1,283.22 is: 1,920.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802.02 : 2,696.28 = 1,283.22 : x
  2. Step 2: Convert to fraction form
    1,802.02/2,696.28 = 1,283.22/x
  3. Step 3: Cross multiply
    1,802.02x = 2,696.28 × 1,283.22
  4. Step 4: Simplify right side
    1,802.02x = 3,459,920.42
  5. Step 5: Solve for x
    x = 3,459,920.42/1,802.02
  6. Step 6: Final answer
    x = 1,920.02

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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.