Home / 2,575.49-3,554.19-1,396.58

Finding the Fourth Proportional to 2,575.49, 3,554.19 and 1,396.58

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Solution

The fourth proportional to 2,575.49, 3,554.19 and 1,396.58 is: 1,927.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.49 : 3,554.19 = 1,396.58 : x
  2. Step 2: Convert to fraction form
    2,575.49/3,554.19 = 1,396.58/x
  3. Step 3: Cross multiply
    2,575.49x = 3,554.19 × 1,396.58
  4. Step 4: Simplify right side
    2,575.49x = 4,963,692.90
  5. Step 5: Solve for x
    x = 4,963,692.90/2,575.49
  6. Step 6: Final answer
    x = 1,927.28

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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.