Home / 1,935.40-2,669.22-1,236.52

Finding the Fourth Proportional to 1,935.40, 2,669.22 and 1,236.52

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Solution

The fourth proportional to 1,935.40, 2,669.22 and 1,236.52 is: 1,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.40 : 2,669.22 = 1,236.52 : x
  2. Step 2: Convert to fraction form
    1,935.40/2,669.22 = 1,236.52/x
  3. Step 3: Cross multiply
    1,935.40x = 2,669.22 × 1,236.52
  4. Step 4: Simplify right side
    1,935.40x = 3,300,543.91
  5. Step 5: Solve for x
    x = 3,300,543.91/1,935.40
  6. Step 6: Final answer
    x = 1,705.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.