Home / 1,802.28-2,700.22-1,223.08

Finding the Fourth Proportional to 1,802.28, 2,700.22 and 1,223.08

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Solution

The fourth proportional to 1,802.28, 2,700.22 and 1,223.08 is: 1,832.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802.28 : 2,700.22 = 1,223.08 : x
  2. Step 2: Convert to fraction form
    1,802.28/2,700.22 = 1,223.08/x
  3. Step 3: Cross multiply
    1,802.28x = 2,700.22 × 1,223.08
  4. Step 4: Simplify right side
    1,802.28x = 3,302,585.08
  5. Step 5: Solve for x
    x = 3,302,585.08/1,802.28
  6. Step 6: Final answer
    x = 1,832.45

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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.