Home / 1,352.36-2,035.90-922.28

Finding the Fourth Proportional to 1,352.36, 2,035.90 and 922.28

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Solution

The fourth proportional to 1,352.36, 2,035.90 and 922.28 is: 1,388.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352.36 : 2,035.90 = 922.28 : x
  2. Step 2: Convert to fraction form
    1,352.36/2,035.90 = 922.28/x
  3. Step 3: Cross multiply
    1,352.36x = 2,035.90 × 922.28
  4. Step 4: Simplify right side
    1,352.36x = 1,877,669.85
  5. Step 5: Solve for x
    x = 1,877,669.85/1,352.36
  6. Step 6: Final answer
    x = 1,388.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.