Home / 2,735.34-3,774.49-1,555.98

Finding the Fourth Proportional to 2,735.34, 3,774.49 and 1,555.98

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Solution

The fourth proportional to 2,735.34, 3,774.49 and 1,555.98 is: 2,147.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.34 : 3,774.49 = 1,555.98 : x
  2. Step 2: Convert to fraction form
    2,735.34/3,774.49 = 1,555.98/x
  3. Step 3: Cross multiply
    2,735.34x = 3,774.49 × 1,555.98
  4. Step 4: Simplify right side
    2,735.34x = 5,873,030.95
  5. Step 5: Solve for x
    x = 5,873,030.95/2,735.34
  6. Step 6: Final answer
    x = 2,147.09

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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.