Home / 1,555.44-2,326.20-1,383.18

Finding the Fourth Proportional to 1,555.44, 2,326.20 and 1,383.18

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Solution

The fourth proportional to 1,555.44, 2,326.20 and 1,383.18 is: 2,068.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555.44 : 2,326.20 = 1,383.18 : x
  2. Step 2: Convert to fraction form
    1,555.44/2,326.20 = 1,383.18/x
  3. Step 3: Cross multiply
    1,555.44x = 2,326.20 × 1,383.18
  4. Step 4: Simplify right side
    1,555.44x = 3,217,553.32
  5. Step 5: Solve for x
    x = 3,217,553.32/1,555.44
  6. Step 6: Final answer
    x = 2,068.58

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1.5x scale

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.