Home / 2,575.58-3,554.30-1,396.65

Finding the Fourth Proportional to 2,575.58, 3,554.30 and 1,396.65

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Solution

The fourth proportional to 2,575.58, 3,554.30 and 1,396.65 is: 1,927.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.58 : 3,554.30 = 1,396.65 : x
  2. Step 2: Convert to fraction form
    2,575.58/3,554.30 = 1,396.65/x
  3. Step 3: Cross multiply
    2,575.58x = 3,554.30 × 1,396.65
  4. Step 4: Simplify right side
    2,575.58x = 4,964,113.10
  5. Step 5: Solve for x
    x = 4,964,113.10/2,575.58
  6. Step 6: Final answer
    x = 1,927.38

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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.