Home / 1,355.46-1,867.77-1,304.34

Finding the Fourth Proportional to 1,355.46, 1,867.77 and 1,304.34

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Solution

The fourth proportional to 1,355.46, 1,867.77 and 1,304.34 is: 1,797.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355.46 : 1,867.77 = 1,304.34 : x
  2. Step 2: Convert to fraction form
    1,355.46/1,867.77 = 1,304.34/x
  3. Step 3: Cross multiply
    1,355.46x = 1,867.77 × 1,304.34
  4. Step 4: Simplify right side
    1,355.46x = 2,436,207.12
  5. Step 5: Solve for x
    x = 2,436,207.12/1,355.46
  6. Step 6: Final answer
    x = 1,797.33

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1.5x scale

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.